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Thread started 05 Oct 2017 (Thursday) 23:38
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Camera Ears Specs ~ 7DIII

 
Bianchi
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Oct 05, 2017 23:38 |  #1

http://cameraears.com ...cification-list-surfaced/ (external link)


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bildeb0rg
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uk
Oct 06, 2017 04:04 |  #2

Pinch of salt required but thanks for posting anyway




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carpenter
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Green Bay, WI
Oct 10, 2017 20:40 |  #3

6d2 came in $100 less than the 6d original price and the 5d4 the same as the 5d3. I would expect the 7d2 with whatever specs it ends up getting to be in that same boat. $1700-$1800. 30mp, 1/2 - 1 stop increase in ISO performance, and 12 fps would work for me at $1600 street pricing.


5D Mk IV | 24-105L | 85 1.8 | 70-200L 2.8 IS MkII | 100-400L MkII

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Scottboarding
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Oct 10, 2017 21:30 |  #4

30 megapixels on a crop sensor seems like a horrible idea to me. Diffraction is going to be horrible. I can't imagine you'll be able to shoot any further down than f5.6 maybe. My Olympus E-M1 has a pixel pitch of 3.72, and diffraction sets in around f5.6 depending on the lens. The 80D with 24 megapixels has a pixel pitch of 3.73 so in theory, the diffraction limit would be roughly the same. I don't know the math behind it, but add another 6 megapixels and the diffraction limit will come down even further. If you want to shoot landscapes, or anything else requiring deep depth of field, you're going to be getting some really soft images.


Olympus E-M1 - Mitakon 25mm f0.95 - Olympus 25mm f1.8 - Olympus 17mm f1.8
Nikon FM2n - Nikon Ai-s 28mm f2.8 - Nikon Ai 50mm f1.4
Ricoh GRii

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Wilt
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Oct 10, 2017 22:13 |  #5

Scottboarding wrote in post #18470135 (external link)
30 megapixels on a crop sensor seems like a horrible idea to me. Diffraction is going to be horrible. I can't imagine you'll be able to shoot any further down than f5.6 maybe. My Olympus E-M1 has a pixel pitch of 3.72, and diffraction sets in around f5.6 depending on the lens. The 80D with 24 megapixels has a pixel pitch of 3.73 so in theory, the diffraction limit would be roughly the same. I don't know the math behind it, but add another 6 megapixels and the diffraction limit will come down even further. If you want to shoot landscapes, or anything else requiring deep depth of field, you're going to be getting some really soft images.


But diffraction is purely a characteristic of light trying to squeeze thru a small hole (diaphram), and the SIZE of the sensor/image dictates the magnification factor for the original image when projected to final print size.
So visible diffraction is smaller for a larger format (e.g. 4x5") than a smaller format (e.g. 135) than an even smaller format (e.g. 4/3) because 2x enlargement makes an 8x10 from 4x5, 8x enlargement makes an 8x10 from 135, and 16x enlargement makes an 8x10 from 4/3.

Grain size in film does not make diffraction more/less objectionable, and similarly the pixel size on digital does not make diffraction more/less objectionable either.


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mikeivan
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houston
Oct 11, 2017 21:49 |  #6

Just bring it out before 2018 spring migration and tell me where to sign. I am addicted to 10 fps, could I have 12, please.


MIKEIVAN

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Scottboarding
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Joined May 2016
Oct 12, 2017 22:25 |  #7

Wilt wrote in post #18470158 (external link)
But diffraction is purely a characteristic of light trying to squeeze thru a small hole (diaphram), and the SIZE of the sensor/image dictates the magnification factor for the original image when projected to final print size.
So visible diffraction is smaller for a larger format (e.g. 4x5") than a smaller format (e.g. 135) than an even smaller format (e.g. 4/3) because 2x enlargement makes an 8x10 from 4x5, 8x enlargement makes an 8x10 from 135, and 16x enlargement makes an 8x10 from 4/3.

Grain size in film does not make diffraction more/less objectionable, and similarly the pixel size on digital does not make diffraction more/less objectionable either.

Aww man, just when I think I have everything figured out, I get debunked :-( that's really interesting, and I never thought of it that way.


Olympus E-M1 - Mitakon 25mm f0.95 - Olympus 25mm f1.8 - Olympus 17mm f1.8
Nikon FM2n - Nikon Ai-s 28mm f2.8 - Nikon Ai 50mm f1.4
Ricoh GRii

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Camera Ears Specs ~ 7DIII
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