Full frame / 1.00x
Yes
70-200 mm.
70-200 mm.
2.90x
No
No / n.a.
Aperture
f/4
f/4
8
No
No
No
Focus
Yes
Yes
Direct
Yes
120 cm.
0.21x (35mm. equiv)
Build
Yes
20/15
2 ultra low dispersion, 1 fluorite
67 mm.
Yes
Yes
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- OpticalLimits
9.3/10
It is an amazing lens. It is truly outstanding when used on APS-C DSLRs and it suffers only from a minor quality deteriorations on full format DSLRs. The resolution figures are easily on prime levels throughout the whole range and even at max. aperture. [...] Lateral CAs and distortions are usually also nothing to worry about. [...] The build quality is excellent.