Description
Features:
0.71X focal reducer booster, can increase one gear of aperture and the light through the lens, as well as reduce focal length.
Support auto focus function, electronic aperture control, EXIF info.transmitting, and built-in IS stabilization function.
With USB port for adapter firmware upgrading.
Gold-plated contact pins for great conductivity.
Aluminum alloy made, CNC processing; with 1/4 screw hole at the bottom.
Notice:
1.Increase the Aperture
Increasing one gear of aperture to blur the background and better highlight the theme. CM-AEF-MFT Booster will be a good choose for shutterbug.
2.Reduce Focal Length
This adapter built-in with optical correction group, when using the adapter, the focus of the lens should be multiplied by 0.71, then multiplied by 1.5 (the focus multiplier), is the lens actually equivalent focus .
For example, the 50mm focal length is mounted on APS-C camera:
50mm (Original EF lens Focal Length) x0.71( EF-E Mount Adapter )x 1.5 (APC-C Conversion Rate )=53.25mm
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