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Author Topic: Lens upgrade path to 1Ds MkIII  (Read 7721 times)
Deep
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« Reply #20 on: June 16, 2007, 12:38:45 AM »
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If you really need/want 22Mp and a lens to match it, you should be looking to medium format digital.  The bigger sensors have several advantages and the price difference is not THAT great if you shop around.  You could keep your little Canon for when you need to travel light.
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Don
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« Reply #21 on: June 16, 2007, 12:45:10 AM »
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If you really need/want 22Mp and a lens to match it, you should be looking to medium format digital.  The bigger sensors have several advantages and the price difference is not THAT great if you shop around.  You could keep your little Canon for when you need to travel light.
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I hear the older and cheaper backs cant compare to the newer ones in dynamic range, noise etc
so the price difference is actually very large
the new imacon 22mp is about $18 large

also Ive heard the fuji (for H series) and Zeiss lenses really arent much better than top of the line 35mm prime lenses
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RicAgu
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« Reply #22 on: June 16, 2007, 11:41:16 PM »
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This is just nonsense.  Absolute nonsense.

Put a Mamiya 645 lens which everyone bags on an old Valeo 17 or 22 and a Canon 1Ds II with an 85mm/1.2 II and you can see it in the shadows and transition from sharp to blurry.

Quote
I hear the older and cheaper backs cant compare to the newer ones in dynamic range, noise etc
so the price difference is actually very large
the new imacon 22mp is about $18 large

also Ive heard the fuji (for H series) and Zeiss lenses really arent much better than top of the line 35mm prime lenses
[a href=\"index.php?act=findpost&pid=123075\"][{POST_SNAPBACK}][/a]
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elkhornsun
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« Reply #23 on: June 17, 2007, 03:02:03 PM »
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Any of the Canon lenses will provide adequate resolution for up to a 24MB sensor. The problem, and especially apparent with a FF digital sensor, is that the lenses were designed for film. The photosites on the digital sensor are recessed so light that would have come through the lens and struck the film emulsion may be at too great an angle to register on the sensor. This is why there is so much vignetting with the 5D and lenses that are 24mm and wider.

Issues with lens distortion and chromatic aberration are more apparent with FF cameras which shows with the 5D where people forget how much better digital images with the crop sensors looked than with film. Some of this apparent gain in image quality was that the digital sensors only captured light from the center of the lenses where there was less distortion.

I would love to see images shot with the 1Ds and the 5D and the Mark III all using the Canon 24mm f1.4 and Sigma 20mm f1.8 lenses and compare edge to edge sharpness, (which is after all why someone would want a FF camera to shoot landscapes). I expect that the Mark III images would be noticeably sharper edge to edge and certainly it would not suffer from vignetting.
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