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12/14/2006 12:34:57 PM · #1 |
Hi, i would appreciate your help if anyone could give me an explanation about this question:
Nikon 12-24mm f/4G DX claims a diagonal angle of view (based on image circle) of 99 degrees, while the Nikon 14mm f/2.8D claims 114 degrees (based on image circle). Is it possible a higher angle of view with a longer focal length? What happens with eyefish lenses then?
Mounted on a Nikon D50 which one will give me a higher angle of view (nikon 12-24 at shorter focal length)?
I am very confused about this issue. How will this change from APS-C (x1.5) sized sensors to a full frame sensors?
With APS-C sized sensors:
Nikon 12-24mm 99º Degrees at 12mm.
Nikon 14mm ??
With full frame sensors:
Nikon 12-24mm ??? degrees at 12mm
Nikon 14mm 114 degrees
Thank you very much in advance.
Sorry for my poor english. |
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12/14/2006 12:41:04 PM · #2 |
The 12mm lens will definitely give you a wider angle of view, compared to the 14mm, when both are mounted on the same camera. The 12-24, as far as I know, would not work on a full frame 35mm camera, whereas the 14mm will. The quoted angle of view for the 14mm is for full frame. The quoted number for the 12-24 assumes an APS-C camera, since that's what it's built for.
Edit:
By my calculation, the 14mm rectilinear lens will give a 91° diagonal angle of view on a D50. I get 99.7° for a 12mm lens, which pretty much agrees with Nikon's number for the 12-24.
Message edited by author 2006-12-14 12:51:09. |
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12/15/2006 03:45:12 AM · #3 |
Thank you very much for your help :-)
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