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<blockquote data-quote="WayneF" data-source="post: 336064" data-attributes="member: 12496">Yes it means the field of view is the same as on the other camera, but only if a FX DSLR.&nbsp; Not a DX DSLR.It is actually comparing to 35mm film cameras, but which is same as FX digital camera.But not DX DSLR.Your numbers are showing a crop factor of 2.7&nbsp;&nbsp; (10mm x 2.7 = 27 mm FX or 35mm film)A Nikon DX DSLR has a crop factor of 1.5.&nbsp;&nbsp; (On DX, 18mm x 1.5 = 27mm FX field of view)A Nikon FX DSLR has a crop factor of 1&nbsp; (not cropped, relative to 35 mm film).&nbsp;&nbsp; So 35mm film, or FX either - 27 mm shows as 27mm, but is same field of view as your 10mm field of view.FWIW, since 2.7 / 1.5 = 1.8,&nbsp; then the crop factor which compares to a DX camera would be 1.8.Your 10mm x 1.8 = 18 mm field of view on a DX DSLR.18mm DX&nbsp; x 1.5 = 27 mm field of view on a FX DSLR.Or your 10mm x 2.7 = 27 mm field of view on a FX DSLR</blockquote>

[QUOTE="WayneF, post: 336064, member: 12496"] Yes it means the [B]field of view is the same[/B] as on the other camera, but only if a FX DSLR. Not a DX DSLR. It is actually comparing to 35mm film cameras, but which is same as FX digital camera. But not DX DSLR. Your numbers are showing a crop factor of 2.7 (10mm x 2.7 = 27 mm FX or 35mm film) A Nikon DX DSLR has a crop factor of 1.5. (On DX, 18mm x 1.5 = 27mm FX field of view) A Nikon FX DSLR has a crop factor of 1 (not cropped, relative to 35 mm film). So 35mm film, or FX either - 27 mm shows as 27mm, but is same field of view as your 10mm field of view. FWIW, since 2.7 / 1.5 = 1.8, then the crop factor which compares to a DX camera would be 1.8. Your 10mm x 1.8 = 18 mm field of view on a DX DSLR. 18mm DX x 1.5 = 27 mm field of view on a FX DSLR. Or your 10mm x 2.7 = 27 mm field of view on a FX DSLR [/QUOTE]

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