Metabones Speed Booster Ultra 0.71x Adapter for Canon Lens to Micro Four Camera

Description

Metabones Speed Booster Ultra 0.71x Adapter for Canon Lens to Micro Four Camera
SKU: 1425313
Item
Con
dition
E Excellent -
Cosmetically shows slight wear and/or signs of use.
Item Description
Optical
@@ Increase maximum aperture by 1 stop
@@ Increase MTF of any lens attached
@@ Makes lens 0.71x wider
@@ Patented 5-element/4-group optical design incorporating ultra-high index tanatalum-based optical glass by Caldwell Photographic in the USA
Electronic
@@ Auto focus on Panasonic Mirco Four Thirds cameras
@@ Can be powered either by camera body or by third-party external 5V power source (not included)
@@ Iris/aperture controlled by the camera body
@@ Image stabilization (IS) lens support
@@ Electronic manual focusing (e.g. EF 85/1.2L II and discontinued EF 50/1.0L)
@@ EXIF (focal length, aperture, zoom range)
@@ Distance and zoom display on camcorders (requires lenses supporting distance information)
Other
@@ Detachable tripod foot compatible with Arca Swiss, Markins and Photo Clam ball heads
@@ Flocking material coating to reduce the internal reflection
Limitations
@@ EF-S lenses require modification to fit (but third party DX lenses can be used without modification)
@@ No autofocus support for JVC and Olympus
@@ AFC (continuous AF) and AFF (flexible AF) modes are not supported
@@ No 24p video AF
@@ Video AF may hunt more than a native lens
@@ No support for in-camera correction such as peripheral shading, CA and distortion
@@ Designed to cover an 17.3mm x 13mm sensor but not enough to cover Super35 so JVC GY-LS300 needs to have VSM configured to 80%
Always Enhance and Never Degrade the Performance of the Attached Master Lens
Like the ULTRA series for Sony E-mount, the new Speed Booster ULTRA m43 uses an advanced 5-element 4-group optical design incorporating ultra-high index tantalum-based optical glass. However, the new design is specifically optimized for the Micro Four Thirds sensor and filter stack and as a result achieves an astonishing level of performance that sets a new standard for focal reducers.
Like the revolutionary original Metabones Speed Booster announced in January 2013, the Speed Booster ULTRA m43 has a magnification of 0.71x and so it effectively reduces the crop factor of mirrorless Micro Four Thirds mount cameras from 2.0x to 1.4x. However, the new ULTRA design 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 fullframe SLR lenses regardless of aperture. The Speed Booster ULTRA m43 will also work extremely well with many DX and APS-C format lenses provided the image circle of 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 m43. (More information can be found in the press release here and whitepaper here)
Autofocus with an Optimum
Item Includes
Metabones Speed Booster Ultra 0.71x Adapter
Front Cap
Rear Cap
Tripod Foot
2x Allen Key
Case
Original Box
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