Metabones Canon EF to Micro FourThirds T Speed Booster ULTRA 0.71x

Metabones Canon EF to Micro FourThirds T Speed Booster ULTRA 0.71x

Metabones Canon EF to Micro FourThirds T Speed Booster ULTRA 0.71x

4 ⭐⭐⭐⭐ This Metabones Canon EF to Micro Four Thirds T Speed Booster ULTRA 0.71x has been fully tested and serviced by our team of camera experts and works like new. There are some signs of previous use, but what fun is a rental if you don’t use it? Any signs of previous use are minor and superficial and there are no notable marks or scratches. All the photos to the left are of the item you would receive so you can see for yourself (yes, we really have someone downstairs photographing every preloved product). Includes: front and rear lens caps, Allen key, hard case and the original packaging. This product does NOT include tripod foot.

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The Canon EF to Micro FourThirds T Speed Booster ULTRA 0.71x (Black Matt) MB-125 from Metabones allows a full-frame Canon EF-mount lens to be mounted onto a Micro Four Thirds-mount camera. While doing so, the adapter's optics help to maximize the connected lens's apparent angle of view while providing a 1-stop increase for the camera over the lens's aperture range.

If a lens intended for 35mm film or similarly-sized full-frame camera sensors is connected to a camera with a Micro Four Thirds-sized sensor, it would project an image larger than the Micro Four Thirds sensor was built to accept. Able to capture only the center portion of the projected image, the effective angle of view of the lens would be narrowed, creating an in-camera "crop factor." The Speed Booster Ultra 0.71x Adapter for Canon Full-Frame EF-Mount Lens to Micro Four Thirds-Mount Camera condenses the light from a lens designed for 35mm film or "full frame" camera sensors and projects it onto a Micro Four Thirds sensor. This allows a Micro Four Thirds sensor to utilize more of the light gathered by a connected lens, which effectively reduces the crop factor while making available to the sensor an additional 1 stop of light for each of the lens's f/stop settings.

This adapter is constructed from aluminum alloy for durability while minimizing weight and its mounting rings are made with brass to further prevent wear-and-tear. Inside are five lens elements in four groups that are designed to provide optical clarity as well as color fidelity, and a detachable tripod foot is included that features a 3/8" threads as well as compatibility with Arca-Swiss tripod heads.

The Speed Booster Ultra 0.71x Adapter for Canon Full-Frame EF-Mount Lens to Micro Four Thirds-Mount Camera supports electronic communication between an attached camera and lens. Although the attached lens must be manually focused while using the adapter, aperture settings can be can be controlled from the camera. Also, if an attached lens is capable of generating EXIF metadata when used with a directly compatible camera, the Speed Booster Ultra 0.71x Adapter for Canon Full-Frame EF-Mount Lens to Micro Four Thirds-Mount Camera is designed to allow that information to be saved along with image files generated with a combination of the lens, a compatible Micro Four Thirds-mount camera, and the adapter.

  • Allows a full-frame Canon EF-mount lens to be used with a Micro Four Thirds-mount camera

  • Maximizes apparent angle of view of combined camera and lens

  • Provides a 1-stop increase for the camera over the lens's aperture range

  • Integrated jog dial for incremental aperture adjustment and push-button access to lens's widest aperture setting when used with a compatible Panasonic camera

  • Five lens elements in four groups for optical clarity as well as color fidelity

  • Supports communication between camera and lens for on-camera aperture control as well as EXIF metadata generation when possible

  • Detachable, Arca-Swiss compatible tripod foot with 3/8" threads

  • Aluminum alloy components for weight reduction

  • Brass mounting rings prevent wear-and-tear

  • Locking mechanism for secure attachment of lens with push-button release