Metabones ROLLEI QBM to Micro Four Thirds Speed Booster

The Metabones Rollei QBM to Micro Four Thirds Speed Booster makes lens wider by 0.71x while the maximum aperture is increased by 1 stop. The MTF is increased as well by this brass-made, chromium-plated camera lens adapter. It also features an electronic integration of aperture diaphragm. With a matte black treatment in its exterior, this Metabones speed booster comes with a detachable tripod foot and has EXIF data as well.

Product Features in Detail

Makes lens view wider by 0.71x
To see more details through the camera frame which helps in creating images with more detail and focal depth

Maximum aperture is increased by 1 stop
Allows the camera to perform well in low-light settings and creates a shallow depth of field

MTF is increased
For more accurate transfer of details from the actual subject of the photo to the final image produced

Brass-made, chromium-plated
Enables the speed booster to weigh less but tough against wear and tear

Electronic integration of aperture diaphragm
Aperture is automatically chosen during P and S exposure modes. For A and M modes, the user can adjust the aperture using the camera body.

Matte black treatment
Keeps the reflections inside it to a minimum to provide the best optical quality for the lens

Detachable tripod foot
Compatible with ball heads produced by Markins, Arca Swiss, and Photo Clam

EXIF data
Includes aperture, lens identifier, and focal length

Built-in Wide-Out button
When pressed, this button sets the aperture to open wide for easier focusing

Exact fit with lens
The lens need not be adjusted to fit perfectly and it will not wiggle or break loose