Full frame lens on DX camera?

5 years 11 months ago #582685 by Jeff Dutton
So I've learned what happens when you use a DX lens on a full frame camera.  But what happens when you use a full frame lens on a DX camera?  


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5 years 11 months ago #582687 by Screamin Scott
Only the central portion of the circle of confusion is used. That would correspond to the light passing thru the center of the lens (where most lenses are their sharpest). What happens also is the field of view (FOV) is also affected. Thus a 50mm lens projects an image that a 75mm lens would project on a full frame camera (assuming a Nikon DSLR is used. assuming it is since you referenced a DX which is Nikon's terminology). 

Scott Ditzel Photography

www.flickr.com/photos/screaminscott/

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5 years 11 months ago #582734 by effron
I'd bet the OP has full frame lenses and isn't aware....They work quite well on crop sensor bodies....

Why so serious?
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5 years 10 months ago #582750 by garyrhook
Short answer: nothing. Same as putting an FX body into DX mode. Only the center portion of the rendered image is used.

No one with any designs on upgrading from a crop to a full sensor at any point in the future should ever by a DX lens. IMO.


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5 years 10 months ago #582842 by Studio Queen
Agree, nothing.  you'll be OK.  


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