Should i buy Sigma 60-600mm Or Canon 100-400 mkII, Need advice

Started 3 months ago | Questions thread
Marquee Regular Member • Posts: 314
Re: Another ridiculous result

You cant meaningfully compare lens performance at different apertures. Making a sharp optic at F1.2 is orders of magnitude harder than at F1.8. The 85F1.2L is revered for its dreamy bokeh and unique look but it is not regarded as sharp across the frame at F1.2. Check Optical Limits which will corroborate. You shoot at F1.2 for the thin DOF and the look not for cross frame sharpness.

Bryan Carnathan hosts an excellent website. Saying its stupid becuase you are making silly comparions just looks bad tempered.

 Marquee's gear list:Marquee's gear list
Canon EOS 5D Mark IV Canon EF 100mm f/2.0 USM Canon Extender EF 1.4x II Sigma 50mm F2.8 EX DG Macro Canon TS-E 24mm f/3.5L II +3 more
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