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FORUMS Nikon Cameras, Lenses & Accessories Nikon Cameras 
Thread started 05 Feb 2010 (Friday) 20:14
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Got a Nikon? Share your thoughts and photos here or ask a question! (II)

 
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ilumo
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Mar 07, 2012 16:06 |  #5086

ching wrote in post #14029679 (external link)
New iso compare is out!

Nikon D700 and a pre-production D800

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Looks like 1 stop difference. when you say 57% crop, what does that equate to in downsampled MP size? I am assuming the d700 was at 12MP?


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ilumo
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Mar 07, 2012 16:13 |  #5087

actually looks like you framed it the same, and then downsized the d800 to match the d700 image size? looks like 1-1.5 stops at most. how is that better than the d3s?


Body: Sony a7R IV
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dharrisphotog
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Mar 07, 2012 16:26 |  #5088

Where can I get my 17-55's rubber grips replaced or cleaned. They've become grayish-white with use over time.


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ching
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Mar 07, 2012 16:41 |  #5089

ilumo wrote in post #14044930 (external link)
actually looks like you framed it the same, and then downsized the d800 to match the d700 image size? looks like 1-1.5 stops at most. how is that better than the d3s?

D700=D3 iso

D3s is 1 stop better than D3

so if D800 is 1 stop better than D700 then it's at least equal to D3s? :lol:


Nikon D800

  
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dgrPhotos
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Mar 07, 2012 17:22 |  #5090

Some more samples. ISO 12800

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR

D800-crop-iso12800-Default LR4 NR (external link) by Mandrake Photography (external link), on Flickr
IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR

D800-crop-iso12800-NO NR (external link) by Mandrake Photography (external link), on Flickr



  
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dgrPhotos
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Mar 07, 2012 17:27 |  #5091

ISO 6400

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
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D800-crop-iso6400-Default LR4 NR (external link) by Mandrake Photography (external link), on Flickr
IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR

D800-crop-iso6400-NO NR (external link) by Mandrake Photography (external link), on Flickr



  
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dgrPhotos
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Mar 07, 2012 17:30 |  #5092

The shadow area of the iso 400 shot.

IMAGE NOT FOUND
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D800-crop-iso400-shadow area (external link) by Mandrake Photography (external link), on Flickr



  
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dgrPhotos
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Mar 07, 2012 17:33 |  #5093

Same type of crop, this time at iso 6400. Just look at the detail retained in each strand hanging from the curtain.

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D800-crop-iso6400-shadow area (external link) by Mandrake Photography (external link), on Flickr


BTW, this is the corner of the shot and it was shot with a $200 lens!



  
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dgrPhotos
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Mar 07, 2012 17:42 |  #5094

Same shot, pushing the shadows slider all the way up to +100.

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D800-crop-iso6400-Shadows +100 (external link) by Mandrake Photography (external link), on Flickr



  
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dgrPhotos
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Mar 07, 2012 17:45 |  #5095

Last one unless anyone wants to see more. This is pushing the exposure up 2 stops.

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D800-crop-iso6400-Exposure +2 Stops (external link) by Mandrake Photography (external link), on Flickr



  
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Yohan ­ Pamudji
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Mar 07, 2012 18:25 |  #5096

So I downloaded those Russian files to play with. On my aging rig LR4 takes 18 seconds to import a single NEF from the D800 :oops:

But once I started looking at the files :shock::shock::shock:

This is extremely unscientific, but ISO 6400 on D800 looks about like ISO 3200 on my 5D Classic. At per pixel level! When both are viewed to fit the LR4 window on a 24" LCD, ISO 12800 on D800 looks about like ISO 3200 on my 5D Classic. So 1 stop at per pixel level, 2 stops at frame level. I think that puts the D800 about a stop above the 5DII (maybe slightly less than a stop) and about on par with the 5DIII judging by early test shots I've seen comparing the 5DII and 5DIII. That might not mean much to people used to shooting with the D3s, etc., but for me that's a huge jump. Unbelievable. And as already pointed out the detail retained at these high ISOs is incredible.

Now I did notice the beginnings of some horizontal banding on ISO 6400 in dark areas, particularly the camera in the bottom left of the frame. Not visible when zoomed out full screen but just visible at 100% magnification. At ISO 12800 the banding is more obvious, and I think I can see it even zoomed out but that might just be my mind playing tricks on me. That means that I'd probably only go up to 6400 for normal use without reservations, and 12800 only if the alternative is not getting the shot and I absolutely have to use it or else. Without the banding I'd happily go to 12800 no problem. Maybe I'm overreacting to it.




  
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dgrPhotos
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Mar 07, 2012 18:33 as a reply to  @ Yohan Pamudji's post |  #5097

18 seconds? Ouch. Computer first. High MP DSLR second. Lol




  
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Yohan ­ Pamudji
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Mar 07, 2012 18:35 |  #5098

dgrPhotos wrote in post #14045810 (external link)
18 seconds? Ouch. Computer first. High MP DSLR second. Lol

For real. The old Q6600 is buckling under the weight of those 36MP RAW files.




  
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ilumo
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Mar 07, 2012 18:48 |  #5099

dgrPhotos wrote in post #14045551 (external link)
Last one unless anyone wants to see more. This is pushing the exposure up 2 stops.

IMAGE NOT FOUND
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR

D800-crop-iso6400-Exposure +2 Stops (external link) by Mandrake Photography (external link), on Flickr

This is pretty impressive. I like. did you do any like of NR on this? Can't wait to see direct 5d3 vs d800 comparisons. just for the geek side of me. I'm really brand agnostic, because my coworkers all shoot nikon and are getting the d800 and d4s to play with. I do however hope that the IQ on the 5d3 stacks comparably to the d800... or else its going to be a long 3 years before the next iteration.


Body: Sony a7R IV
Glass: 50mm f/1.8 | 35mm f/1.4L USM | 16-35 f/4.0 IS USML USM | 24-70 f/2.8L II USM | 24-105 f/4.0L IS USM | 70-200 f/2.8L II IS USM | 85mm f/1.4L IS USM | 100mm f/2.8L IS USM | 24mm f/1.4GM | 70-200mm f/2.8GM | Samyang 85mm f/1.4 | Voigtlander 10mm f/5.6
Accessories: 430 EX II, 600 EX, tripods, umbrellas, and other goodies.

  
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dgrPhotos
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Mar 07, 2012 18:51 |  #5100

ilumo wrote in post #14045906 (external link)
This is pretty impressive. I like. did you do any like of NR on this?

Just the default +25 color.




  
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