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Speed Booster ULTRA
Sharper corners, less distortion, reduced vignetting
New optical design: advanced 5-element/4-group optical design incorporating ultra-high index tanatalum-based optical glass to achieve extraordinary optical performance with improved corner sharpness, distortion and reduced vignetting.
- Industry's best aperture ring covers a 8-stop range markings, clearly indicating actual number of f-stops. No more guesswork! (Patent pending).
- Compatible with both Nikkor G lens & F lens (include non-AI & AI lens mounts).
- Advanced 5-element/4-group optical design incorporating ultra-high index tanatalum-based optical glass by Caldwell Photographic in the USA (patent pending).
- Increase maximum aperture by 1 stop.
- Increase MTF.
- Makes lens 0.71x wider.
- The tripod foot is detachable and compatible with Arca Swiss, Markins, Photo Clam ball heads.
- Both camera-side and lens-side of the adapter are made of brass, precision-machined and plated with chromium.
- Satin surface finish - just like your OEM lens and camera mounts.
- Precise fit and solid connection - lens has no play, gap or wiggling when mounted on adapter and no adjustments are required to fit your lens.
- Designed to reach infinity focus while maintaining the correct registration distance required to maintain optical quality of CRC lenses or lenses with floating elements.
- True electronic integration of aperture diaphragm - let camera automatically choose aperture in P or S exposure modes, or dial in yourself on the camera body in A or M modes.
- EXIF data such as lens identification, focal length and aperture.
- Metabones Nikon F-Mount Lens to Sony E-Mount Camera Speed Booster ULTRA
- Front Cap
- Rear Cap
- Detachable Tripod Foot
|Lens Mount||Nikon F-Mount|
|Crop Factor||With APS-C format camera: 1.07x|
|Maximum Aperture||f/0.90 (with f/1.2 lens attached)|
|Rectilinear Distortion||< 1%|
|Optical Construction||5 Elements/4 Groups|
|Length Reduction||0.17" (4.2 mm)|
|Tripod Mount||Removable with Arca Swiss compatibility|
|Weight||6.8 oz (193 g)|
Questions & Answers
Metabones Nikon G to NEX/E-mount Speed Booster Ultra
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