Metabones Nikon F/G Mount to Blackmagic Design Pocket Cinema Camera Speed Booster 0.58x - Matte Black

The Metabones Nikon F/G Mount to Blackmagic Design Pocket Cinema Camera Speed Booster 0.58x - Matte Black  is designed exclusively for the Blackmagic Design Pocket Cinema Camera (BMPCC). Note that this new 0.58x Speed Booster will only attach to a BMPCC equipped with a Micro 4/3 mount. It cannot be attached to standard Micro 4/3 cameras.

The new 0.58x Speed Booster reduces the crop factor of the BMPCC from 2.88x to 1.75x, and produces the largest aperture optics currently available, with a maximum output aperture of f/0.74.  For example, a 50mm f/1.2 now becomes a 29mm f/0.74 (i.e, by using 50mm lens, the actual focal length in BMPCC is 29mm x 3.02 = 87.58mm), and the Sigma 18-35mm f/1.8 becomes the world’s fastest zoom lens at 10.5-20.3mm f/1.0 with stunningly sharp performance. By using 18-35mm lens, the actual focal length in BMPCC is from (10.5mm x 3.02 = 31.71mm) to (20.3mm x 3.02 = 61.31mm).

Compatibility & Crop Factors:

• Elements / Groups: 6 / 4
• f-stop Boost: 1-2/3 stop
• Max. Aperture: f/0.74
• M43 Camera: Not Compatible (physical damage may occur)
• BlackMagic Cinema Camera: Can be mounted, but does not cover full sensor with most lenses
• BlackMagic Pocket Cinema Camera: 1.75x

Features:

• Aperture ring covers a 8-stop range, clearly indicating actual number of f-stops
• Compatible with Nikkor G and F Mount lenses (include non-AI & AI lens mounts)
• Increases maximum aperture by 1-2/3 stop (with a maximum output aperture of f/0.74)
• Increases MTF
• Makes lens 0.58x wider
• Clickless manual G aperture ring
• Optics designed by Caldwell Photographic in the USA
• Detachable tripod foot is compatible with Arca Swiss, Markins, Photo Clam ball heads (not included)

NOTE: Before mounting your lens to the adapter, please make sure that the f-stop of aperture ring on the adapter is turned to "7" (i.e., mount your lens to the adapter with the aperture ring in the adapter fully closed).

IMPORTANT NOTE: This mount is manual aperture control, only, and does not support electronic aperture control. 

Incompatible Lenses:

• Nikkor 21mm f/4
• Nikkor 20mm f/2.8 AI-S