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Metabones NikonG Lens to

Metabones NikonG Lens to

The Metabones NikonG Lens to L-mount Speed Booster ULTRA 0.71x - With Tripod Foot 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.

Like the revolutionary original Metabones Speed Booster announced in January 2013, the Speed Booster ULTRA has a magnification of 0.71x, and so it effectively reduces the crop factor of mirrorless cameras with DX-sized sensors and Super35 camcorder, such as Sony E-mount, Fuji X-mount cameras Sony FS7 MARKII, from 1.5x to 1.07x. However, the new ULTRA design makes very effective use of exotic materials at the furthest limit of glassmaking technology, and as a result is well corrected for use with virtually all full-frame SLR/Prime lenses regardless of exit pupil distance.

 

Camera Mount Micro Four Thirds
Lens Mount Nikon F
Nikon Lens Compatibility G-Type Lens
Magnification 0.71x
Optical Design 5 Elements in 4 Groups
  • Nikon F-mount lens to L-mount cameras/camcorders 
  • This product is designed for the APS-C Crop mode of the specific cameras (eg. 4K 60P Crop mode of Panasonic S1H, S5 and S5K, etc).
  • Compatible with both Nikkor G lens & F lens (include non-AI & AI lens mounts)
  • Industry's best aperture clickless ring covers an 8-stop range marking, clearly indicating the actual number off-stops. No more guesswork. (Patent granted) 
  • Parented 5-element/4-group optical design incorporating ultra-high index tantalum-based optical glass by Caldwell Photographic in the USA 
  • Increase maximum aperture by 1 stop
  • Increase MTF
  • Makes lens 0.71x wider
  • Rubber gasket protects the L-mount connection from dust and moisture 
  • Aluminum Alloy and Brass Construction with Chromium Plating