On 25/09/2015 17:51, NY wrote:

indeed if you have a DSLR with a 35mm sensor you'd use the same lens
as for a film camera.


You need to be careful doing that, old designs for film cameras aren't
good enough to get the best out of digital sensors these days.

You could put a new digital camera lens on film and it would be as good
as the old ones.

You will notice this effect more with wide angles than telephotos.