some 50L also suffer focus shift. But thats from f1.2 to f2 / f2.8 or so. If you are experiencing the shift under f4, f5.6, thats weird.
x*3
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nah it is at 2.0 and 2.8 1.4 is pretty accurate , 1.8 soso
【在 x****c 的大作中提到】 : some 50L also suffer focus shift. But thats from f1.2 to f2 / f2.8 or so. : If you are experiencing the shift under f4, f5.6, thats weird.