And the Nikon D800 autofocus saga continues (with some comments on specific lens performance)

This post is a quick update to my D800 autofocus issues, as well as commentary on the specific performance on some of the more popular lenses people have been asking about. I don’t have time to post crops, but I think most of you would trust that I know what I’m doing.

I spent the morning at Nikon. Ostensibly, to collect my replacement D800, and a PC-E 85/2.8 Micro. However, it turns out the replacement D800 exhibits the SAME autofocus issue – namely, with wide angle lenses, the center and right side AF points yield in focus images, the left side bank is way out. This is especially obvious with the 24/1.4 G. We also tried their NPS loaner demo units and their D800E sample. The results were mostly the same – all of the D800s showed identical results. The D800E was a bit better, but still noticeably soft on one side. It gets worse: I’ve had a number of emails from people with cameras in the same serial number block – below 1000 – and the 24/1.4, who are finding the same thing. Apparently it is a serious issue, because my NPS rep told me that HQ has asked for updates and is looking into it on the production line.

Perhaps it was my 24/1.4 sample that was the issue – nope, because it works fine on a D3x, D4 and D700; we tried another 24/1.4 which showed consistent results – that rules out lens problems. I think we can also rule out sensor alignment problems as I don’t see any odd shifts in the focal plane when focusing using live view.

The upshot is that it will take them two days to diagnose the problem, and possibly longer to fix. Since it’s only an issue with wide angles, and not an issue with anything above about 50mm, I elected to keep this body for the time being – I’m only using it in the studio with the 60/2.8 G Micro, and now the 85/2.8 PCE. It looks like I will be reviewing both E and non-E after all – I’ve elected to take a D800E for the replacement unit.

There were more surprises in store, though – specifically, with lenses.

Summary of Nikkors tested so far on the D800:

AFS 14-24/2.8 G: Not good at 14mm; obvious corner sharpness issues. Displayed AF issues at 24mm. Center is sharp. T stop is probably closer to f4 than f2.8. Average to good performer.

AFS 24-70/2.8 G: Sharp everywhere in the range, at every aperture. No AF issues, even at 24mm. Excellent performer.

AFS 70-200/2.8 G VR II: Sharp everywhere in the range, at every aperture. 85mm setting better than the 85/1.4 G at f2.8, and comparable to the 85/1.8 G at f2.8 (yes, you read that right. The 85/1.8 G is better than the 85/1.4 G.). No AF issues either. Excellent performer.

AFS 24/1.4 G: Sharp everywhere except extreme corners at every aperture if you live view – remains an optically amazing lens, but now even more fiddly to use thanks to the AF issues. Three copies all displayed left-side softness on the D800, but not on other bodies. Cautiously, I’d say excellent performer, to be confirmed once I have a properly working body.

AFS 28-300/3.5-5.6 G VR II: Sharp everywhere if you close down the aperture on stop. Microcontrast not great, but serviceable. Overall global contrast is good. Color a bit odd. Good to very good performer. No AF issues, probably covered by depth of field and small apertures.

AFS 35/1.4 G: No good wide open. Center is okay, both sides are not good – even after AF fine tune. Not recommended. The 24-70 performs much better at 2.8 than the 35/1.4 does at the same aperture. Slight AF issue noticed, same as 24/1.4.

AFS 85/1.4 G: Inconsistent. Wide open displays LCA and LoCA at edges. Nowhere near as good as it was on the D700/ D3/ D3s. Stopped down to f2.8, it improves, but only to about the same level as the 70-200/2.8 II wide open. Note T stop is pretty high for this lens though – probably 2/3 stop more than the 70-200/2.8 II, and half a stop more than the 85/1.8 G for the same aperture. Good to very good stopped down. Honestly, I’m not liking this lens very much anymore.

AFS 85/1.8 G: Incredible. Sharp everywhere at every aperture, no LCA or LoCA. Bokeh is neutral, not quite as good as the 85/1.4 G. Surprising considering this lens has no ED glass, Nano coating or aspherical elements. It’s honestly an optical masterpiece, and very, very cheap. If you need an 85mm and don’t have the 85/1.4 G already, I’d suggest buying one of these. Performance at wide open at f1.8 is better than the 85/1.4 G at 2.8; it matches or slightly exceeds even the 60/2.8 G Micro at the same distances. You’re probably wonder what’s the catch: two things; T stop and build quality. T stop is half a stop down on the 85/1.4 G for the same aperture, and it’s light and plasticky. Still weather sealed, though. Excellent plus performance, no visible AF issues.

PC-E 85/2.8 Micro: This is the only lens of the group tested that could best the new 85/1.8 G, and by the slightest of margins (or maybe both lenses out resolved even the D800E sensor and we’d need something even higher density to see the difference). Global contrast is a little lower than the 85/1.8 G, but micro contrast has more bite and structure to it – reminds me of the Zeiss macros. Excellent plus performance. (I took this one home, after relieving my credit card of some of its available balance. Look out for a full review in the future once I get a chance to shoot it in the studio.)

PC-E 24/3.5: A truly excellent piece of glass. Matches the performance of the 85/2.8, but at 24mm. Shame about the small aperture, though. Handily focuses to about 20cm – which is about 3cm from the front element of the lens. I’d say sharpness performance of this and the 24/1.4 G at f4 are about the same, however the micro contrast structure of this lens is almost Zeiss-like in detail. Excellent plus performance again. And whoever said it won’t mount is wrong – it mounts and offers full movement just fine, but you must zero all of the movements before trying to mount it, and there are certain orientations that work better than others (big knobs vs small knobs near the prism etc.)

AFS 60/2.8 G Micro: Although this was my reference standard on the 12MP FX bodies, it’s performance clearly isn’t up to the D800′s demands: I’m seeing plenty of longitudinal CA (especially in the bokeh) that wasn’t there, or almost negligible, on the D700. It’s sharp already at f2, but not critically bitingly sharp til f4-5.6; your working aperture range is somewhat limited because diffraction kicks in noticeably by f16, and it’s unusably soft by f25. I’d say f22 is probably best reserved for emergencies. This is the main reason I got the 85/2.8 PCE: lack of depth of field control. I’d put it in the good-to-excellent range.

A word on the D800E: I didn’t have a lot of time with it, but from what I can see, there is a slight but noticeable difference in fine micro contrast, as well as sharpness and resolving power. It seems to offset diffraction to some extent. However, file sizes will be even bigger, and lens demands even higher. Recommendation: use with caution, requires controlled circumstances to get the most out of it (tripod or studio lights, low ISO).

Conclusion: If you plan on getting the most out of your D800/D800E, you’re going to have to rethink your lens lineup. What worked brilliantly for me on the D700 – as in I felt I couldn’t get any more image quality out – isn’t working on the D800. And there are a lot of surprises here; not all of them good – the 85/1.4 G and 24/1.4 G are good examples of this. It seems that one has to now choose for a lens set optimized for studio work (or slightly brighter light conditions) – 24-70, 70-200, 85/1.8G, 85/2.8 PCE – with the compromises that brings for available light work, especially now that you’re going to require more shutter speed to handhold and the sensor loses out a stop to the D700 at the pixel level – or run two sets of lenses. This obviously isn’t ideal, or cheap. I feel the latter route is likely the way I’ll have to go – probably with the 85/2.8 PCE for the majority of my studio work, and a Zeiss 21/2.8 or 24/3.5 PCE for architecture and interiors.

Am I happy with feeling like a bit of an expensive guinea pig? Not one single bit. I think this latest push in resolution has brought up manufacturing tolerance and QC issues that were never previously noticeable. But at least a) it works under a known range of conditions, and more importantly NPS here deserves credit for doing their best to rectify the situation, and at least provide me with a working solution in the intermediate period (D3x on extended loan for high-res WA work).

It’s not ideal, but when you get everything right, the D800 is capable of delivering pretty darn amazing image quality. The trouble is, once you’ve seen it, you really don’t want to give it up – even if it is a colossal pain to achieve. Of course, none of this will be news to seasoned medium or large format shooters – but for anybody expecting to go from a DX consumer body, or even 12MP FX, to D800 and get pixel-level crispness across the frame, there’s going to be something of a steep learning curve to climb. MT

Check back for more updates once my D800E replacement body (finally) arrives at the end of the month.

____________

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Comments

  1. well, I just use the SpyderLensCal to correct the AF of all my lenses:

    http://www.datacolor.eu/en/products/photo-color-tools/spyderlenscal/index.html

    I am pretty sure this will also solve these Nikon issues.

  2. Another sharpness issue to bring up. I’m noticing that images taken using live-view are noticeably sharper than the same image taken using the viewfinder. I used my D800 with the 70-200mm VRII lens. The test goes as follows:

    1.) On a tripod and using delayed shutter release I focus on an object that has writing on it. Using live-view mode and moving the focus box onto the exact part of the image I want to analyze and take a picture. I shoot in M mode so all the settings are the same.
    2.) I then switch the dial on the camera to manual focus and switch to viewfinder mode and take another picture of the same image. I switched to manual focus so as to ensure the camera does not refocus from the focus setting of the 1st image.
    3.) Then I compare the two pictures by zooming into the area of focus. The picture shot with live-view is noticeably sharper than the same shot using the view finder.

    I tried using other lenses but it seems that this issue only shows at long focal lengths. I did this test at 200mm. When I put my Nikon 1.7x teleconverter on it and redo the test at an effective focal length of 340mm I notice that the difference in sharpness between the live-view image and view finder image to be even more noticeable. I’m not sure what could be causing the difference.

    • Is the difference consistent across all focal points in the frame? If yes, then you can fix it with AF fine tune. If not, then you’ve probably got some variant of the left-side AF problem.

      • Haven’t checked but will test across different focal points today. What confused me was if the focus setting did not change from one image to the next then how could simply switching from live-view to viewfinder cause a change in sharpness?

        • The viewfinder relies on a submirror to reflect the light from the lens to the AF sensor array. A misalignment of the sensor array or submirror would account for the difference in sharpness because the lens is misfocused. Live view uses contrast detect AF off the imaging sensor itself, so it si the most accurate form of AF available.

      • ok, tested the issue with the focus point on the left and right of the image (I simply tilted the camera so that the same thing I was focusing on is now on the left and then the right). The sharpness issue still exists on both tests. Ran the test at 70, 105 and 135mm and didn’t notice any difference, only when I got to 200 was there a difference.

      • Ran the test at the lower focal lengths again but this time with my 1.7x teleconverter and the difference shows. So I guess the issue is at the longer end with the teleconverter amplifying the sharpness difference. Since the 70-200 is the only lens I have that can take a tele I can’t test to see if my other lenses have the same problem when the focal length is increased.

    • Might have figured out the reason. Just out of curiosity I shot another image using the viewfinder but this time I was in Mup mode thus there was a delay between when the mirror is raised and when the image was taken. I compared this image to the one shot using the live-view there was no difference. So I guess the vibration from the shutter is causing the softness. I have this question into Nikon so I’ll wait to see what they say and I supplied them with my sample images. I know that b/c of the 36MPs that minor vibrations can impact the image but didn’t realize it could be this big.

  3. Robert Powals says:

    Ming,
    It appears you are becoming the new Nikon Guru. I enjoy your blog, Thank you!

  4. I can confirm that my D4 is critically out of focus with most lenses.
    I can also confirm the difference in sharpness when comparing the edges with center focus points.

    I’ve made several tests with different lenses.I advise everyone to do the same before sending the camera to the local dealer.
    Videotaping the results would also be recommended.
    It wouldn’t be the first time Nikon (or other brands) felt obliged to offer an answer and a comfortable solution for the client when exposed in such a manner.The power of Youtube.

    I sent the camera to my local service and still waiting for their official response.

  5. david distefano says:

    last sunday i walked into my local camera store and saw they had stock of d800′s so i bought one. because of time issues i final was able to test the dreaded left side auto focus issue. i used my local newspaper as the test target. i started first with my 50mm 1.4d and i saw no statistical significant difference from left, center or right. they were spot on. so i tried my 20mm 2.8d lens. on the left side it was mush while the center was spot on and i expected the right to be a little soft due to the design of the lens but the print was still readable and i would say 90% of the center. I didn’t have problem with lenses over 50mm. just my 2 cents into this discussion. i’m going on vacation in 5 days and i do medium and large format on tripod and this is my first dslr and when i used my f5 and fm they were on tripods 90% of the time, so i will just use live view to focus and get it right.

  6. I’d like to get an idea of what percent of the D800′s are having a focus issue. From this list we only hear of problems, as expected. Are all D800′s having this problem? 10%, 50%, 75% etc. Any way we can get an estimate?
    Trying to figure out if I should cancel my order and reorder later, or take my chances.
    Dave

    • Hard to say. It seems like a high proportion of the first batch. No idea about later batches. I suppose DPR forums would give you some clues, but typically the forums tend to be full of the people with the loudest mouths.

      • david distefano says:

        with the serial number i sent recently here, how does that stand in the way of batch runs for nikon on the d800′s, since i also have the left side focus problem and i just picked mine up.

        • From what I’ve been able to determine so far, anything under about 3000 is affected for the Asian serials (starting with 8) and some of the US serials, but not the European serials.

      • I just got my D800E with Asian serial number below 2000 and it doesn’t have the extreme AF problem on the far left AF point. The AF has been pretty good thus far. =)

  7. hello Ming,relieved that I found your blog…thank you so much for all info…in USA on 6/13/12 received my D800-301XXXX in time for wedding on 6/16/12 using my 28-70 nikon lens-had problems focusing intermittently…was upset until I read your blog…now definitely have to visit El Segundo for repairs…hoping for resolution of problem…

  8. Karthik says:

    Ming, Thanks for your blog and updates. I have a question regarding your comment here
    “I know that officially, there is no problem. But unofficially, I’m told they’re working on it…”

    If Nikon have not acknowledged the focus issue officially, it implies that we can’t expect them to give an official statement when it does get fixed. Unofficially, by when do you think they might have this issue sorted? Will you be privy to such information when this issue does get fixed?

    I am just wondering if I could just wait for an update from you and increase my chances of getting a non faulty camera as I am not in much of an hurry to get it. :)
    Thanks!

    • Nope, sorry, no information yet…I’m waiting too, so I can buy a backup body.

      • Hey,
        Just got my D800 back from repair. Focusing is now sharp on my 14-24mm and 28-300mm.
        Had massive back focus issue with 14-24mm, even the onboard adjustment wasn’t enough. Same firmware as wen I sent it in so I guess the 5 week wait was for Nikon Ireland to get the right kit to calibrate the camera.
        Happy snapping…

  9. Hi Ming,
    I appreciate your thoughtful review here, but to be honest you have scared the hell out of me :)
    I bought the D800E (in Middle June) and initially matched it to the Nikon 60mm f2.8G. The shots were amazing (I am strictly amateur – for the fun of it all ;) )
    Although I only use the middle focus point I eventually forced myself to test the side ones and they were fine, well within DOF (although the left and right were a smidgen more back then the centre)
    Now I have just bought a 35mm f1.4 which was to be my main walk around and indoor lens. And just read your thread above – gulp!
    I have not had a chance to test in the field but immediate did a series of focus tests (virtually all at f1.4)
    I have found the centre focus point is tack on, the left and the right back focus say 1 or 2 notches on the Jeffrey’s chart but are still on the edge of the DOF, i.e. in focus.
    Do you think my D800E is exhibiting the issue, or I am the lucky one !!! I am so nervous, I might sent it in for a fix anyway when Nikon release the fix
    all the best
    harold miller

    • Harold, yours sounds okay. The 35/1.4 has a bit of field curvature so center vs left/right will be slightly different. However, you should be concerned if live view focus is different from the AF system, and that difference is not consistent across the points.

      • Harold miller says:

        Thankyou I appreciate your comments
        I have just done some further testing, more real world then chart based.
        I have concluded that at f1.4 the middle point is in focus, the left looks slightly out of focus and the right is slightly out of focus but a smidgen less then the left. I then tried live view. Interestingly the centre point is in focus, but choosing a LV focus point at the same place at the left and right of the AF VF points it also misfocuses. The live view misfocus appears to be slightly less then the AF VF misfocus, but still there. More confused then ever. May send it in for fixing when Nikon’s official fix is bedded down to get peace of mind, although the could also screw up a perfectly good centre point (which is all I use anyway). The 35mm is certainly not tack sharp at f1.4 (well known with this lens) so perhaps this is normal (my copy gets sharp from f2 and tack from f3.5)
        Also, thanks for the excellent S2 vs D800E review. I am missing the “bite” of Leica lenses after ditching my M9 (can’t afford two system :( ) which I recognise in your pictures. Do you think it is possible to achieve this with Zeiss lenses ? If so, what would you recommend ?
        Thanks again and keep up the great reviews…
        Harold

        • That’s very odd – if it’s not sharp in LV, then it’s a lens issue.

          The camera definitely has the bite of the M9 at the pixel level if you use the right lenses and get everything in focus – I just posted a list of recommended lenses for the D800E here…

  10. There is certainly a great deal to learn about this subject.
    I love all of the points you made.

  11. David Doughman says:

    D800 focus issues
    I cancelled my D800 an hour before it was to ship. As a long time Nikon user I am very frustrated, hoping to really get some sharp photos with the D800. After a few weeks of frustration I decided to focus on improving the print quality of the pix inmy collection as well as new shots with my D70. So I will soon be printing using X-rites i 1 photo pro 2. Anxious to see how much I can improve my printing. Dave

  12. radiantlite says:

    Hello Ming, I have a quick question: How’s 85mm f/1.8G autofocus performance especially in low light? is it better than my old 85mm f/1.4D?

  13. Very interesting site here, thanks.

    You are too good about the 85mm f/1.8G – it is weak in the flare/ghosting area, sorry to say – comparing to the 1.4G – I like to shoot backlit, + sometimes with the sun in the frame + and sometimes with other strong lights, and it is not good = In all other areas I agree.

    • Thanks.

      The flare performance – especially with strong backlights – is definitely lower contrast than the 1.4G, but that’s to be expected because the latter has Nano coating. I don’t necessarily think it’s a bad thing, it lends some atmosphere to these shots…

      • Yes, the lack of Nano coating is the reason – it cost something to add this to a lens, and my interpretation is, that Nikon wanted that there should be a difference to the 1.4G

        For me, and I think, most others, it is a bad thing with flare and ghosting/ lack of contrast – it can ruin a picture.

        Of course you can use it in your own way (artistic), but this you can get in PP, but you are not in control when it is a weakness of the lens, and it is bad in contra light, so I stand with my statement.

  14. Kenneth Tse says:

    The auto focus issue annoy us for a long time by now. Has it been solved? Now that the D600 is here, if D800 focus problem is not solved, I would consider D600. In Hong Kong, the price of D800 has dropped, with plenty of supply! Wonder if they were “faulty”ones returned by buyers elsewhere. Please inform us the update position of the D800 focus issue. Thanks

  15. First off, I would like to say I am a huge fan of your work, and heed any comments or advice you give.

    I own a D800E and one of the lenses you reviewed, and on the review of the 28-300, I disagree on one aspect.

    AFS 28-300/3.5-5.6 G VR II:
    This lens is not very sharp even in mid range, full out or full in, even closed stop on sharpness I would give it 6.5 of 10, Although I use this as my primary walkabout lens.
    As for the color, I fully agree, it is indeed slightly odd, not tinged, but off slightly on the whole spectrum – which is easily correctable either on camera menu or post editing.
    For a general all purpose lens, this is still a good lens, but doesn’t perform on the 800E near as well as a lower MP camera like the 7000 or 600.

    There was no mention of one of the cheapest lenses in Nikon’s lineup that work great on this camera – :(

    50MM F/1.8 D:
    Link: http://www.nikonusa.com/en/Nikon-Products/Product/Camera-Lenses/2137/AF-Nikkor-50mm-f%252F1.8D.html
    In comparison with the more expensive “G” version – there is little or any difference overall in picture quality, fast focus and tack sharp, although I have to admit it does look silly on such a large housing, but for a hundred bucks new – you can’t go wrong (1/4 the price of the “g” model),
    The build is plastic and cheap feeling with a nice “made in china” sticker, 7 blades and a somewhat noisy gear (the G is better gearing and a lot quieter for people who have dog hearing) but normally you get what you pay for, in this case it’s a very good lens that is surprisingly sturdy (I dropped it accidently taking it out of the box on the 1st day- it makes 2 bounces btw, still works fine)

    plus the using a BR-2A reversing ring (about 50 dollars – 1/2 the price of the lens)
    http://www.nikonusa.com/en/Nikon-Products/Product/Miscellaneous/2657/BR-2A-Lens-Reversing-Ring-for-52mm-Thread.html works great on this particular lens for interesting low tech macro shooting.

    • No, it doesn’t perform as well per-pixel, but you’ll still get slightly more overall real resolution from the D800E and that lens than the D600 or D7000. That said, pixel density of the D800E and D7000 is the same, so there’s no reason why the central portions shouldn’t be comparable.

      There’s no mention because I don’t have one. It’s not practical for me to buy every lens to review – I already offer far more content on this site for free than most other paid sites, and there’s no advertising! You’ll find the output quality depends far more on the precision of your AF than anything else, especially at f1.8 and for small changes in subject distance.

  16. Klaus Manns says:

    My D800 unit, which has been shipped in March shows a quite horrible PD-AF performance, independent of lenses used, even at 50mm and f4. The center PD-AF-Point works almost acceptable, but not quite as good as CD-AF used with Liveview. However almost all other Focus Points perform much worse, at about 10% to 20% performance compared to the center, while CD-AF as used in Liveview is perfect all the time. To exclude any effects by the lens I always compare resulting sharpness of Phase Detect and Contrast Detect exactly at the focus point that has been used. I’ve also tested different lenses (50/1.4G, 24-70/2.8G, 24-120/4G all at around 50mm).
    Tests can be easily repeated by using the recommendable Open Source Nikon Camera Control software downloadable at http://code.google.com/p/nikon-camera-control/ where you quickly perform the following:
    1. Select a focus point in AF-S mode at the camera, defocus the lens, then focus and shoot from the software.
    2. Switch to Liveview in the software, then focus and also shoot from the software. Note the new focusing that is always done by camera and the focus is set to where the AF-Point was set in the previous shot.
    Using Reikan’s Focal Pro Software Version 1.5.1 allows to compare the performance of all AF-Points, so I confirmed (and documented) the remarkable fact, that in my unit not only the outer focus points but also the direct neighbours of the center AF point (14 of the 15 cross type AF points) are affected.
    Not using this camera every day until recently I had believed that my poor shooting technique where to blame for all those wide open shots, that where out of focus. Now with this software I learned differently and will use it also to check the performance of Nikon Service to repair my camera.
    I’m happy to provide any more data, should it prove useful for others.
    Cheers,
    WaellerKlaus

    P.S.
    You can compare for yourself by looking at the following 100% Crops taken with the 24-120/4G, disabled VR at 50mm, 1.5m distance to subject, 1/50s and f4 with camera ans subject not moved in between shots.

    central AF-Point Phase-Detect (Viewer)
    http://mannsspace.co.de/Nikon_D800/nff_af_crops/zentral_PD-AF.jpg

    central AF-Point Contrast-Detect (LiveView)
    http://mannsspace.co.de/Nikon_D800/nff_af_crops/zentral_CD-AF.jpg

    most left AF-Point Phase-Detect (Viewer)
    http://mannsspace.co.de/Nikon_D800/nff_af_crops/links_PD-AF.jpg

    most left AF-Point Contrast-Detect (LiveView)
    http://mannsspace.co.de/Nikon_D800/nff_af_crops/links_CD-AF.jpg

    upper AF-Point (one above central) Phase-Detect (Viewer)
    http://mannsspace.co.de/Nikon_D800/nff_af_crops/oben_PD-AF.jpg

    upper AF-Point (one above central) Contrast-Detect (LiveView)
    http://mannsspace.co.de/Nikon_D800/nff_af_crops/oben_CD-AF.jpg

    most right AF-Point Phase-Detect (Viewer)
    http://mannsspace.co.de/Nikon_D800/nff_af_crops/rechts_PD-AF.jpg

    most right AF-Point Contrast-Detect (LiveView)
    http://mannsspace.co.de/Nikon_D800/nff_af_crops/rechts_CD-AF.jpg

    Extracts of the results of the Multiple Point Focus Comparison by Reikan’s Focal Pro Software are to be found here (three lenses compared):
    24-120/4G
    http://mannsspace.co.de/Nikon_D800/nff_af_crops/Focal_MPFT_24-120.jpg

    24-70/2.8G
    http://mannsspace.co.de/Nikon_D800/nff_af_crops/Focal_MPFT_24-70.jpg

    50/1.4G
    http://mannsspace.co.de/Nikon_D800/nff_af_crops/Focal_MPFT_50.jpg

  17. That looks pretty bad. Have you sent the camera in yet?

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  5. [...] Issues Autofocus Issues Long Exposure [...]

  6. [...] eine 85mm Festbrennweite. Unter den zahlreichen Blog-Posts zur D800 bin ich nun hierauf gestoßen: Ming Thein: D800 autofocus saga. Mein Resumée aus seinem Blogpost bezieht sich vor allem auf das AF-S Nikkor 85mm/f1,4G im [...]

  7. [...] 651 times Originally Posted by Markw Originally Posted by gsgary I would wait because there are problems with the D800, a chap at our club is having problems with autofocus with any lens wider than 50mm and there are reports of faulty batteries that could go up in flames This is the first I've heard of such a problem, and the battery is the same as those in the D7000. So, buying any new battery for the D7k could easily surmount to the same problem. Mark Some D7000 are being recalled, i checked internet after chap at club was complaining about his D800 and found this And the Nikon D800 autofocus saga continues (with some comments on specific lens performance) [...]

  8. [...] Some report the problem to be solved (NL1, NL2) [...]

  9. [...] compare them? hmm… Want to do tests, do it properly with many more lenses… like this dude… http://blog.mingthein.com/2012/04/05…s-performance/ In the end you can throw out lp/mm and all that jargon. But please perform more complete tests [...]

  10. [...] en saber cuales lentes son los que han sido probados y cual es su performance? En este blog estan listados varios y como se han comportado (en Ingles como siempre, aunque para eso esta San [...]

  11. [...] when shooting at f1.8. I don’t know if this is an issue with the lens or the D800E (and its focusing issues). Some further investigation is in order, I think. The lens is somewhat prone to the left-side AF [...]

  12. [...] Nikon D800 (Apr 2012) – Best dynamic range of any 35mm format DSLR at the moment; incredibly accurate color, and shunts around those enormous files like it’s nothing. Video quality catches up to Canon 5DIII, and offers headphone monitoring, adjustable audio input and uncompressed full HDMI out feeds. This camera has moved the bar for 35mm DSLRs. In fact, it’s so good that most lenses can’t keep up with the sensor – every optical flaw is revealed. The lenses that work well on the camera are just as surprising as the ones that don’t (compared to the 12MP FX cameras); the 85/1.8 G for instance is better than the 85/1.4 G, and the 28-300VR becomes pretty good. Pixel-level noise performance is probably a stop behind the D700, but you’re actually going to lose a bit more than that because of the shutter speeds required to negate camera shake at these pixel densities. A non-issue if you downsize, but then why would you do that after having to suffer huge file sizes? Highly recommended to spend some time calibrating your lenses using the AF fine tune function. Watch out for AF issues with side focus points. [...]

  13. [...] First, lets look at the issue, since it first appeared in the wild, the Nikon D800/e was reported to have a left side focusing issues, I may be mistaken, but I believe my mentor Ming Thein, NPS professional, was the first to find, track and report this issue way back before the rest of us even got our hands on a Nikon D800. [...]

  14. [...] to light with flash also… Check this out: LensRentals.com – D800 Lens Selection and this: And the Nikon D800 autofocus saga continues (with some comments on specific lens performance) Last edited by cgipson1; Today at 07:36 AM. [...]

  15. […] eine 85mm Festbrennweite. Unter den zahlreichen Blog-Posts zur D800 bin ich nun hierauf gestoßen: Ming Thein: D800 autofocus saga. Mein Resumée aus seinem Blogpost bezieht sich vor allem auf das AF-S Nikkor 85mm/f1,4G im […]

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