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Nikon DSLR Cameras
D7100
manual and autofocus issues with d7100
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<blockquote data-quote="lars jones" data-source="post: 499280" data-attributes="member: 40501"><p>Seems my post from last week never made <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /> So let's try again. </p><p></p><p>1) <strong>Thanks to everyone for your replies and advice. I haven't replied because I've been going back and forth to Nikon---but with no resolution... </strong>Yes, quality settings are set to maximum, .jpg quality set to maximum; VR on. For the most part, I'm looking at the best quality .jpg files on Nikonview2 software on a laptop with screen resolution as previously stated; I've compared resolution on my HD tv (1080) and my Iphone6+</p><p></p><p>2) <strong>I'm still having problems</strong> and am getting increasingly frustrated with Nikon. <strong>Here's what I've done:</strong></p><p>A) Ran the prescribed focus tests (tripod, well-lighted, remote release) and made the AF fine-tune adjustment. Result: even when fine tuned---when the focus points match the target and the fine-tune is correct---the images are still NOT sharp. </p><p>B) Because the problem was consistent across two lenses, I sent only the body in for warranty repair. Nikon adjusted it with a 55mm lens and sent it back</p><p>C) Shot 1000 images. Result: the problem remained in both auto focus and manual!! I can run the images through 1-2 apps (e.g. Enlight) on my iphone6+, overdrive the sharpness, fine detail, structure, contrast etc. and I can produce something that's still weak by Instagram standards and the overdriven corrections just don't look natural. I can't even print these photos, much less enter a contest or sell them.</p><p>D) So I ran the focus tests again, the AF fine-tune adjustment was OK. The sharpness problem remained.</p><p>E) Then I called Nikon USA support. After looking at some uploaded sample images and meta data, they recommended sending it back to Nikon repair. This time I sent both lenses and the body. Told them not to return it until they could produced razor-sharp images with this camera and both lenses. Paperwork indicates some adjustments were made.</p><p>F) On return, I shot a few hundred more images. Result: the auto and manual focus problems remain, although the issue seems slightly improved---but it's still nowhere near the quality I expect from Nikon. I feel like I've purchased an off-brand digital instamatic at a dollar discount store.</p><p>G) Ran the focus tests yet again. (Primarily I used my AF-S Nikkor 55-300 f/4.5-5.6 GED at 300mm and near minimum focus; exposure was about f/5.6 at 1/250) AF shows mixed results. Best AF results show AF focus points and focal point (target) match but are still significantly unsharp (I'll try to upload some images, this will be DSC 4069--these are only 1280x853 files but I'm discussing the original 6000x4000 files). Best manual focus results (AF fine tune both off and on--I know it should be irrelevant) show the focus point is consistently about .5 Cm short of the target focal point, but even then the images are significantly unsharp.[ATTACH]182885[/ATTACH]</p><p>H) I ran the tests again with my old Nikkor-AI 300mm f/4.5 (same exposure, aperture priority--see image DSC 4083). The result shows I can hit the focus target dead on, that this old glass is significantly sharper then the new stuff, but that I'm still having focus issues. That again points to the body or to bigger problems.[ATTACH]182886[/ATTACH]</p><p>I) sent sample 8x10 prints to walgreens; prints show sharpness problem remains</p><p>J) I've ordered a split prism viewfinder but it hasn't yet arrived</p><p></p><p>I) Here's what I'm going to do next:</p><p>1) <strong>hope someone on this forum can help me out and/or point me in the right direction. I see many other people complaining of focus problems. I hope their issues aren't a serious as this. I can't believe Nikon lets this go, how many thousands of people just give up in quiet resentment of Nikon? I'm actually contemplating making a switch to another brand (keep in mind I've used Nikon since 1978)</strong></p><p>2) Monday, I'll hit the local camera store with a memory card---they offered to let me try out their cameras and I'll compare the results live on my laptop.</p><p>3) Get on the phone with Nikon and stay on the phone until I have a genuine resolution.</p><p></p><p><strong>All of this raises bigger issues for me---something I hope you experts can address:</strong></p><p>1) is this really the max quality of which digital cameras (the d7100 in particular) are capable? (see my sample images). I can't accept that this is true. I expect to be able to shoot and export crystal clear, razor sharp images. I expect images that with minimal manipulation I can blow up to 16x20. This is what I was able to do with 35mm film. And from everything I'm lead to believe, the 25.1 mp resolution on the d7100 surpasses that "ancient" film technology.</p><p>2) to get acceptably sharp images, do I need to process them on expensive software? I hope not, that seems ridiculous. </p><p>3) I find the 10mp resolution of my gopro hero 3+ far surpasses the quality I'm getting on this d7100---even with the 18-140mm lens; I also find the 10mp resolution of my iphone 6+ far surpasses the quality I'm getting on this d7100--and I don't think anyone will argue that it has is a relatively weak lens and small sensor.</p></blockquote><p></p>
[QUOTE="lars jones, post: 499280, member: 40501"] Seems my post from last week never made :( So let's try again. 1) [B]Thanks to everyone for your replies and advice. I haven't replied because I've been going back and forth to Nikon---but with no resolution... [/B]Yes, quality settings are set to maximum, .jpg quality set to maximum; VR on. For the most part, I'm looking at the best quality .jpg files on Nikonview2 software on a laptop with screen resolution as previously stated; I've compared resolution on my HD tv (1080) and my Iphone6+ 2) [B]I'm still having problems[/B] and am getting increasingly frustrated with Nikon. [B]Here's what I've done:[/B] A) Ran the prescribed focus tests (tripod, well-lighted, remote release) and made the AF fine-tune adjustment. Result: even when fine tuned---when the focus points match the target and the fine-tune is correct---the images are still NOT sharp. B) Because the problem was consistent across two lenses, I sent only the body in for warranty repair. Nikon adjusted it with a 55mm lens and sent it back C) Shot 1000 images. Result: the problem remained in both auto focus and manual!! I can run the images through 1-2 apps (e.g. Enlight) on my iphone6+, overdrive the sharpness, fine detail, structure, contrast etc. and I can produce something that's still weak by Instagram standards and the overdriven corrections just don't look natural. I can't even print these photos, much less enter a contest or sell them. D) So I ran the focus tests again, the AF fine-tune adjustment was OK. The sharpness problem remained. E) Then I called Nikon USA support. After looking at some uploaded sample images and meta data, they recommended sending it back to Nikon repair. This time I sent both lenses and the body. Told them not to return it until they could produced razor-sharp images with this camera and both lenses. Paperwork indicates some adjustments were made. F) On return, I shot a few hundred more images. Result: the auto and manual focus problems remain, although the issue seems slightly improved---but it's still nowhere near the quality I expect from Nikon. I feel like I've purchased an off-brand digital instamatic at a dollar discount store. G) Ran the focus tests yet again. (Primarily I used my AF-S Nikkor 55-300 f/4.5-5.6 GED at 300mm and near minimum focus; exposure was about f/5.6 at 1/250) AF shows mixed results. Best AF results show AF focus points and focal point (target) match but are still significantly unsharp (I'll try to upload some images, this will be DSC 4069--these are only 1280x853 files but I'm discussing the original 6000x4000 files). Best manual focus results (AF fine tune both off and on--I know it should be irrelevant) show the focus point is consistently about .5 Cm short of the target focal point, but even then the images are significantly unsharp.[ATTACH=CONFIG]182885._xfImport[/ATTACH] H) I ran the tests again with my old Nikkor-AI 300mm f/4.5 (same exposure, aperture priority--see image DSC 4083). The result shows I can hit the focus target dead on, that this old glass is significantly sharper then the new stuff, but that I'm still having focus issues. That again points to the body or to bigger problems.[ATTACH=CONFIG]182886._xfImport[/ATTACH] I) sent sample 8x10 prints to walgreens; prints show sharpness problem remains J) I've ordered a split prism viewfinder but it hasn't yet arrived I) Here's what I'm going to do next: 1) [B]hope someone on this forum can help me out and/or[FONT=century gothic][/FONT] point me in the right direction. I see many other people complaining of focus problems. I hope their issues aren't a serious as this. I can't believe Nikon lets this go, how many thousands of people just give up in quiet resentment of Nikon? I'm actually contemplating making a switch to another brand (keep in mind I've used Nikon since 1978)[/B] 2) Monday, I'll hit the local camera store with a memory card---they offered to let me try out their cameras and I'll compare the results live on my laptop. 3) Get on the phone with Nikon and stay on the phone until I have a genuine resolution. [B]All of this raises bigger issues for me---something I hope you experts can address:[/B] 1) is this really the max quality of which digital cameras (the d7100 in particular) are capable? (see my sample images). I can't accept that this is true. I expect to be able to shoot and export crystal clear, razor sharp images. I expect images that with minimal manipulation I can blow up to 16x20. This is what I was able to do with 35mm film. And from everything I'm lead to believe, the 25.1 mp resolution on the d7100 surpasses that "ancient" film technology. 2) to get acceptably sharp images, do I need to process them on expensive software? I hope not, that seems ridiculous. 3) I find the 10mp resolution of my gopro hero 3+ far surpasses the quality I'm getting on this d7100---even with the 18-140mm lens; I also find the 10mp resolution of my iphone 6+ far surpasses the quality I'm getting on this d7100--and I don't think anyone will argue that it has is a relatively weak lens and small sensor. [/QUOTE]
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manual and autofocus issues with d7100
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