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Patented 5-element/4-group optical design incorporating ultra-high index tantalum-based optical glass by Caldwell Photographic
Rubber gasket protects the X-mount connection from dust and moisture
Aluminum Alloy and Brass Construction with Chromium Plating
Satin Surface Finish
Detachable Arca-Type tripod foot compatible with Arca Swiss, Markins, and Photo Clam ball heads(clamp directly or attach to quick release plate by a 1/4"-20 screw)
Metabones MB_SPMD-X-BM3 (MB-SPMD-X-BM3, MB/SPMD-X-BM3, MB/SPMD/X/BM3, MBSPMDXBM3) Minolta MD to X-Mount Speed Booster ULTRA 0.71x - Black Matte
Speed Booster ULTRA
Sharper corners, less distortion, reduced vignetting
The Speed Booster Ultra 0.71x Adapter for Minolta MD-Mount Lenses to FUJIFILM X-Mount Camera from Metabones allows a full-frame Minolta MD-mount lens to be mounted onto a FUJIFILM X-mount camera. The adapter's optics help to maximize the connected lens's apparent angle of view while providing a 1-stop increase for the camera over the lens's aperture range.
If a lens intended for 35mm film or similarly sized full-frame camera sensors is connected to a camera with a FUJIFILM X-mount APS-C-sized sensor, it would project an image larger than the APS-C sensor was built to accept. Able to capture only the center portion of the projected image, the effective angle of view of the lens would be narrowed, creating an in-camera "crop factor." The Speed Booster Ultra 0.71x Adapter condenses the light from a lens designed for 35mm film or "full frame" camera sensors and projects it onto a Fuji X-mount APS-C sensor. This allows the APS-C sensor to utilize more of the light gathered by a connected lens, which effectively reduces the crop factor while making available to the sensor an additional 1 stop of light for each of the lens's f/stop settings.
This adapter is constructed from aluminum alloy for durability while minimizing weight and its mounting rings are made with brass to further prevent wear-and-tear. Inside are five lens elements in four groups that are designed to provide optical clarity as well as color fidelity, and a detachable tripod foot is included that features 3/8" threads as well as compatibility with Arca-Swiss tripod heads.
This adapter does not support electronic communication between an attached camera and lens, focus and exposure must be set manually.
Color: Black Matte
Camera Mount: FUJIFILM X
Lens Mount: Minolta MD/MC/SR
Magnification: 0.71x
Optical Design: 5 Elements in 4 Groups
Tripod Mounting Thread: 1/4"-20 Female
In The Box
Metabones Minolta MD to X-Mount Speed Booster ULTRA 0.71x
Front Cap
Rear Cap
Tripod Foot
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