Tagged: speed booster vs lens turbo

Metabones_SB_Ultra-4799 2

Metabones Speed Booster Ultra Review – Part I

As announced couple of weeks ago, I am starting to work on the review of the new focal reducer - Metabones Speed Booster Ultra, made again in cooperation with Caldwell Photographic, company its founder - Brian Caldwell, was first to introduce concept of focal reducers for mirrorless cameras, few years ago. Metabones Speed Booster Ultra…

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