The Metabones Canon EF Lens to Micro Four Thirds Speed Booster "S" Version allows you to pair select Canon EF mount full frame lenses with certain active mount Micro Four Thirds cameras (see Notes tab) and increases the effective field of view and the maximum aperture of the lens you're using. This is handy for achieving wider views with more dramatic depth of field effects on what is otherwise a sometimes uncompromising camera sensor due to its small Micro Four Thirds size.

The Speed Booster works by shrinking the image circle of your Canon EF lens down to better fit the smaller sensor of Micro Four Thirds cameras. This has the effect of making the field of view of the lens wider or, in other terms, reducing the crop factor of the camera from 2x to 1.4x. For example, a 40mm lens becomes an effective 56mm with this Speed Booster on a Micro Four Thirds camera instead of the 80mm effective view you'd have with a straight adapter. This is closer to the APS-C view of 64mm for this particular lens length example. Your Micro Four Thirds camera will render less like a Micro Four Thirds sensor and more like the larger APS-C or Super 35 sensor thanks to this Speed Booster, plus you have the benefit of using a wide variety of Canon EF lenses while retaining lens image stabilization.

Please see the "Notes" section for important information about autofocus and lens compatibility.

• Front Cap

• Rear Cap

• Detachable Tripod Foot

• Allen Wrench

• Carrying Case

• Tripod Foot is Detachable and Compatible with Arca Swiss, Markins, Photo Cam Ball Heads

• Increases Maximum Aperture by 1 Stop and Increases Angle of View By 0.71x

• Retains Electronic Communication Between Lens and Camera

• Powered by Camera Body

• Manual Focus Only

• Lens-Based Image Stabilization Supported

There is no manual for this product.