Started Feb 8, 2014 | Questions thread
Astrophotographer 10 Forum Pro • Posts: 11,779
Re: APSC vs FF

I think that first statement is incorrect hence your confusion. The shorter flange distance may or may not be an issue for the lens designers. But size and weight most definitely are. What would be the point in having the worlds smallest full frame camera with enormous lenses?

The small flange distance can easily be overcome by making the lens the same distance as in DSLRs and the lens a bit longer. Exactly as a legacy lens with an adapter. The lens is the same distance from the sensor on A7 as it would be on the intended original camera the lens was made for.


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