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Optics Theory - This forum is aimed towards the TECHNICAL side of photographic OPTICS THEORY. There will be some overlap by camera/manufacturer, but this forum is for the heavy duty tech discussions. This is NOT the place to discuss a specific lens or lens line, do that in the appropriate forum. This is the forum to discuss optics or lenses in general, to learn about the tech behind the lenses and images. IF you have a question about a specific lens, post it in the forum about that type of camera, NOT HERE.

 
 
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aps-c vs full frame lens design
Old 10-09-2019   #1
nzeeman
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aps-c vs full frame lens design

i dont know exactly how to formulate what i want to know-but i noticed for example 7artisans 35mm f1.2 sonnar for aps-c. does anyone know why it is easier to make fast wide sonnar for aps-c - is it only because corners would go wild if anyone tried to do it on full frame? or there are some more things to consider-maybe shorter distance to sensor allow for other tyoes of designs that werent possible before. i see that number of elements and groups are also lower in those lenses...
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