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Metabones Nikon G to BMPCC4K Speed Booster ULTRA 0.71x
The new Speed Booster ULTRA 0.71x for BMPCC4K uses an advanced 6-element 4-group optical design incorporating ultra-high index tantalum-based optical glass. The new design is specifically optimized to bring the same level of astonishing performance as the ULTRA Speed Boosters for Micro Four Thirds to users of the Blackmagic Pocket Cinema Camera 4K.
In particular, the Speed Booster ULTRA 0.71x is optimized to correctly account for the BMPCC4K camera’s specific filter stack located near the sensor surface. This is especially critical at the extremely large apertures made possible by Speed Booster technology. As a result of this careful optimization, an enormous range of full-frame optics, ranging from vintage film lenses to the latest digital designs, will function flawlessly when adapted to BMPCC4K bodies.
The Metabones Speed Booster ULTRA 0.71x reduces the crop factor of the BMPCC4K camera as shown in the above table. The new design for BMPCC4K makes very effective use of exotic materials at the furthest limit of glassmaking technology, and as a result is almost perfectly corrected for use with all full-frame SLR lenses regardless of aperture or exit pupil distance. The Speed Booster ULTRA 0.71x will also work extremely well with many DX and APS-C format lenses, provided the image circle provided by the lens is large enough. Optical performance of the new Speed Boosters is so good that the MTF of any lens attached to it will be improved. Even the latest generation of ultra-high performance SLR lenses such as the Zeiss Otus series can be improved by adding a Speed Booster ULTRA 0.71x.
Nikon F mount lens to Blackmagic Design cameras with M43 mount, specific for BMPCC4K.
Compatible with both Nikkor G lens & F lens (include non-AI & AI lens mounts).
Patented 6-element/4-group optical design by Caldwell Photographic in the USA.
Increase maximum aperture by 1-stop. (with a maximum output aperture of f/0.9).
Makes lens 0.71x wider.
Industry's best aperture clickless ring covers an 8-stop range marking, clearly indicating actual number off-stops. No more guesswork. (Patent granted).
Rubber gasket protects M43 mount connection from dust and moisture.
Aluminum alloy and brass construction with chromium plating.
Satin surface finish.
Detachable tripod foot compatible with Arca Swiss Style ball head, such as Markins and Photo Clam or attach to quick release plate by a 1/4"-20 screw.
The tripod foot is tailor-made to match the exact height as the BMPCC4K camera body.
BlackMagic Pocket Cinema Camera 4K
BlackMagic Pocket Cinema Camera HD (original ver.)
BlackMagic Micro Cinema Camera
BlackMagic Micro Studio Camera 4K
BlackMagic Studio Camera 4K
BlackMagic Studio Camera
Table of compatibility and resulting crop factors with different SpeedBooster