When you use DPReview links to buy products, the site may earn a commission. OM System OM-1 II | OM System 50-200mm F2. 8 IS Pro w/ MC-20 2x teleconverter | 400mm | F5. 6 | 1/400 sec | ISO 200Photo: Mitchell Clark This week, OM System announced its long-awaited telephoto zoom, the 50-200mm F2.
8 IS Pro. It's designed to give photographers a fair amount of reach with its standard 100-400mm equiv. focal range, and even more if they pair it with a teleconverter, which it's compatible with.
We were able to test it out both with and without a 2x teleconverter; the images taken with it are labeled as such in the gallery below.
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2025-9-15 16:00