Good results in central sharpness wide open... edges need f4.0. With converter, a stop down at f5.6 is needed for good sharpness overall. The Olympus 300 f4.0 Pro is a better 300mm lens (vs Panaleica @ 280mm with 1.4x TC). AF flutters with Olympus EM1X in SAF mode... CAF mode is fine... I thought this was a Panasonic camera DFD CDAF issue only?? Construction and stabiliser is very good. Overall, reading reviews before purchase, I was expecting perfection, so a little disappointed. But if you need f2.8 @ 200mm, it is a good option.
Verified purchase: Yes | Condition: New
An all quantity, professional Lens in a dynamic package. Crisp sharp images in a Hand Held Telephoto Lens.
Verified purchase: Yes | Condition: Pre-owned
Great fast lens with no real reduction in quality with the converter attached. Can be pricey, but there are some bargains around.
Verified purchase: Yes | Condition: New
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