Perfectly clean front and back optics.
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Very good condition, used mainly with 1 lens and not swapped very often - scratch free. Full working order.
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Used it once. Did the job extremely well, but I don't need it anymore. In great condition with original box and accessories.
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eBay
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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Speed Booster ULTRA. Canon EF Lens to Sony E-mount T Speed Booster ULTRA 0.71x Sharper corners, less distortion, reduced vignetting New optical design: advanced 5-element/4-group optical design incorporating ultra-high index tantalum-based optical glass to achieve extraordinary optical performance with improved corner sharpness, distortion and reduced vignetting Used condition. Adapter in excellent condition. Box shows signs of wear
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eBay
This cinema-styled electronic adapter features a positive-lock lens mount that will ensure that your adapted lenses are secure and uses optics to reduce the effects of crop factor by making the lens 0.71x wider and simultaneously increasing the maximum aperture by about 1 stop.
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