Getting the highest performance from a lens

Started Jan 19, 2013 | Discussions thread
miked58
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Re: Getting the highest performance from a lens
In reply to tangram, Jan 22, 2013

The photozone test analysis of the 100-400L shows that at 400mm, shooting at f8 improves centre sharpness a bit compared to wide open (f5.6) but certainly improves corner sharpness a lot.

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Canon 650D, Canon 600D, Oly E-pm1, EFS 15-85mm IS, efs 10-22mm, 24-70L, 100-400L, 24-105L, EFS 18-135 STM, Tokina 50-135 f2.8, EFS 55-250mm IS, 580EX, Hensel and Elinchrom studio lights, Canon Ixus 80IS

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Ricoh GR Canon EOS 60D Olympus PEN E-PM1 Canon EOS 6D Canon EF-S 15-85mm f/3.5-5.6 IS USM +7 more
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