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Complete list of sensor sizes & Circle of Confusion...

 
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ofarcis



Joined: 27 Jan 2013
Posts: 278
Location: Madrid - Spain

PostPosted: Thu Mar 28, 2013 10:22 pm    Post subject: Complete list of sensor sizes & Circle of Confusion... Reply with quote

Hi to all,

I made a list of sensor size and the circle of confusion of some reflex cameras but I don't find some:


- Circle of Confusion (CoC) of: Canon EOS 6D, Canon EOS M, Nikon D600 and Nikon D5200.

- Size in milimeters of the sensor: Olympus E-1, Olympus E-300 and Olympus E-500.

Thanks for your help, Oscar.


You can see the complete list then:

MANUFACTER MODEL Sensor Size in mm CoC
(the CoC calculation is not 100% reliable)
-----------------------------------------------------------------------
Canon EOS-1D C (*) 36 x 24 0.023
Canon EOS-1D Mark II 28,7 × 19,1 0.023
Canon EOS-1D Mark II N 28,7 x 19,1 0.023
Canon EOS-1Ds Mark II 36 x 24  0.030
Canon EOS-1D Mark III 28,1 × 18,7 0.023
Canon EOS-1Ds Mark III 36 x 24  0.030
Canon EOS-1D Mark IV 27,9 x 18,6  0.023
Canon EOS 1D X (*) 36 x 24  0.030
Canon EOS 5D 35,8 x 23,9 0.030
Canon EOS 5D Mark II 36 x 24  0.030
Canon EOS 5D Mark III (*) 36 x 24  0.030
Canon EOS 6D (*) 36 x 24 ¿?
Canon EOS 7D 22,3 x 14,9 0.019
Canon EOS 20D 22,5 x 15 0.019
Canon EOS 30D 22,5 x 15 0.019
Canon EOS 40D 22,5 x 15 0.019
Canon EOS 50D 22,3 × 14,9 0.019
Canon EOS M (*) 22,3 x 14,9 ¿?
Canon EOS Kiss Digital N/350D/REBEL XT 22,2 x 14,8 0.019
Canon EOS Kiss Digital X/400D/REBEL XTi 22,2 x 14,8 0.019
Canon EOS DIGITAL REBEL Xsi/450D/ Kiss X2 22,2 x 14,8 0.019
Canon EOS Kiss X3/EOS REBEL T1i /EOS 500D 22,3 x 14,9  0.019
Canon EOS Kiss X4/EOS REBEL T2i /EOS 550D 22,3 x 14,9  0.019
Canon EOS Kiss X5/EOS REBEL T3i /EOS 600D 22,3 x 14,9  0.019
Canon EOS Kiss X6i/EOS 650D/EOS REBEL T4i 22,3 x 14,9  0.019
Canon EOS DIGITAL REBEL XS/ 1000D/ KISS F 22,2 x 14,8 0.019
Canon EOS Kiss X50/EOS REBEL T3 /EOS 1100D 22,2 x 14,7 0.019
Nikon D3 36 × 23,9 0.030
Nikon D3S 36 x 23,9  0.030
Nikon D3X 35,9 x 24,0 0.030
Nikon D4 36,0 × 23,9 0.030
Nikon D40 23,7 x 15,7 0.020
Nikon D60 23,6 x 15,8 0.020
Nikon D80 23,6 × 15,8 0.020
Nikon D90 23,6 x 15,8 0.020
Nikon D200 23,6 x 15,8 0.020
Nikon D300 23,6 x 15,8 0.020
Nikon D300S 23,6 x 15,8 0.020
Nikon D600 35,9 x 24 ¿?
Nikon D700 36 x 23,9 0.030
Nikon D800 35,9 x 24  0.030
Nikon D5000 23,6 x 15,8 0.020
Nikon D5100 23,6 x 15,7  0.020
Nikon D5200 23,5 x 15,6  ¿?
Nikon D7000 23,6 x 15,7  0.020
Olympus E-1 ¿? 0.015
Olympus E-3 18 × 13,5 0.015
Olympus E-30 17,3 x 13 0.015
Olympus E-300 ¿? 0.015
Olympus E-330 17,3 x 13 0.015
Olympus E-400 17,3 x 13 0.015
Olympus E-410 18 × 13,5 0.015
Olympus E-420 17,3 x 13 0.015
Olympus E-450 18 × 13,5 0.015
Olympus E-500 ¿? 0.015
Olympus E-510 17,3 x 13 0.015
Olympus E-520 18 × 13,5 0.015
Olympus E-620 17,3 x 13 0.015
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rjlittlefield
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Joined: 01 Aug 2006
Posts: 18244
Location: Richland, Washington State, USA

PostPosted: Fri Mar 29, 2013 12:28 am    Post subject: Reply with quote

Oscar,

Thank you for assembling this information.

In general, sensor sizes can be obtained by looking for a review article. The web site http://dpreview.com provides reliable reviews.

For example, the Olympus E-1 sensor size can be found by Googling on
Olympus E-1 sensor size dpreview
to find a link to http://www.dpreview.com/reviews/olympuse1 . The sensor size is shown on page 2 of the review as
Quote:
17.4 x 13.1 mm active sensor area


I have a couple of concerns about what you have assembled so far.

1. For Olympus, the numbers that you show are not consistent.

For example you show:
Quote:
Olympus E-3 18 × 13,5 0.015
Olympus E-30 17,3 x 13 0.015

But dpreview shows that the E-3 and E-30 have the same sensor size: 17.3 x 13.0 mm active area. (References are http://www.dpreview.com/reviews/olympuse3/3 and http://www.dpreview.com/reviews/olympuse30/3.)

The issue is that there are two different sizes: 17.3 x 13.0 for the active area, but 18 x 13.5 for the full sensor. The full sensor is bigger than the active area because it includes pixels used for other purposes. You have quoted the active area for some cameras, but the full sensor for others.

2. Please be aware that the "circle of confusion" is not a fixed number. Instead, it depends on the viewer's tolerance for blur, which in turn may depend on pixel size.

For pixel-peepers, the CoC definitely depends on the pixel size. For a pixel-peeper, the acceptable CoC for a Nikon D800 (36 megapixels in full frame) is only about 0.58 times the CoC for a Nikon D3 (12 megapixels in full frame).

You can automatically take pixel size into account by calculating the CoC as follows

CoC_pixels = 3 (or some other number, to satisfy more picky or more tolerant users)
PixelSize_mm = SQRT(SensorWidth * SensorHeight / PixelCount)
CoC_mm = CoC_pixels * PixelSize_mm

For example:

Canon T1i, sensor size = 22.3 mm x 14.9 mm, pixel count = 4752 x 3168.
PixelSize_mm = SQRT( (22.3*14.9) / (4752*3168) ) = 0.004698
CoC_mm = 3*0.0047 = 0.014

The numbers that you have used are roughly equal to 4 pixels per CoC, for modern DSLRs. These are a little too big to satisfy pixel-peepers. For the D800, your number is 6 pixels -- quite a lot too big.

It would be better, I think, if your table focused on sensor size and pixel count. From those, CoC can be computed as described above.

--Rik
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ofarcis



Joined: 27 Jan 2013
Posts: 278
Location: Madrid - Spain

PostPosted: Fri Mar 29, 2013 1:27 am    Post subject: Reply with quote

Thanks Rik and Chris S. (in private messages).

My final goal is to apply the Lefkowitz formula to calculate the Deep of Field (DOF). (http://www.photomacrography.net/forum/viewtopic.php?t=19755).

I like to apply this formula to calculate approximately the number of steps (stepper motors) to focus the object from initial point to end point.

I know from my app the resolution of the camera configured for the user and I can calculate the CoC from your formulas (http://en.wikipedia.org/wiki/Depth_of_field#Close-up_2).

Yes, i think finally that the table have only the sensor size and calculate the CoC dinamically because the user can change the resolution if any moment.

The camera not returned me the size of the sensor Sad

dpreview.com is a good page to get the specifications of cameras.

Thanks, Oscar.
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