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| p.4 #19 · f/1.2 or faster lenses wide open |
This is silly unless we limit it to FF equivalent 1.2 and faster. 1.4 on MFT is like 2.8 on FF. Not that special.
I mean, sure you get some of the unique wide aperture look (unsharp falloff, SA, color bokeh, spherochromaticism), but not even the funky corners, which IMO are most of the fun of WA lenses.
it's about lenses and their looks and performance wide open. if you think shooting a 50/1.2 on 4/3 looks the same as shooting a 100/2.4 on FF your deluding yourself. a 50/1.2 on 4/3 looks like you took a 4/3 sized crop of the same 50/1.2 on FF. who said anything about WA lenses? the only wide angle eligible for this thread is the cv 35/1.2. yes some of the character of these lenses is lost on crop, but a lot of it remains. more importantly, a lot of people these days are deciding they don't need FF. this means when they look for a super speed lens they're interested in how it performs on the camera they shoot, not the camera it was intended for. finally, seeing how a lens performs on crop does tell you about it's performance on FF, just the central portion.
here is the rokkor 58/1.2 on FF (film):
and here it is on aps-c (digital):