Tested lenses

Canon EF 135mm F2 L USM

Sigma DC 18-200mm f3.5-6.3

Sigma EX 150mm f2.8 APO Macro DG

Canon EF 50mm F1.4 USM

Canon EF 55-200 f4.5-5.6 II USM

Canon TS-E 90 f2,8

Canon EF 300 f4 L IS USM

Sigma EX 15-30 f3.5-4.5 Asp DG DF

Compare 350D with 400D (Why 350D is a winner)

Compare “TSE 90”, “EF 135 F2”, “EX 150 APO” and “EF 300 L IS”