Here's the short version:
"Minimal pincushion distortion (0.46 percent)"
"Exposure at the film plane was accurate with 1/3-stop underexposure due to
light falloff, and about 1/4-stop overexposure from f/ 5.6 to f/ 32."
"At the closeest focusing distance of 20 inches (1:1) centersharpness was
very good from f/ 4 to f 5.6, excellent at f/ 8, good at f/ 11, acceptable
at f/ 16 and poor from f/22 to f/32."
"Corner sharpness eas good from f/ 4 to f/ 8, acceptable from f/ 11 to f/
16, and poor f/22 to f/ 32."
"Test slides were sharp and contrasty from center to corners at all
aperatures. Light falloff was gone by f/ 5.6. Flare was very well controlled
throughout. AF timing was fast and autofocusing judged moderately quiet."
"An outstanding 200mm f/ 4 macro, offering unsurpassed performance and
remarkable close-focusing capability"
Translated form pophoto lingo it's a very good lens with a noisy AF.
/Paul
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