Selling my Metabones EF to RF Speed Booster ULTRA 0.71x—an advanced adapter designed to get the most out of your EF lenses on Canon RF-mount bodies. • Increases maximum aperture by 1 stop (up to f/0.9) • Improves image sharpness and contrast (MTF) • Reduces crop factor by 0.71x, making lenses wider • Features a premium 5-element/4-group optical design with ultra-high index glass by Caldwell Photographic (USA) Excellent condition. Feel free to reach out with any questions!
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