VILTROX EF-M2II AF Focal Reducer Booster Adapter for Canon EF to Olympus Micro 4/3 Camera

Product Description

•   0.71x Focal Reducer: focal length is multiplied by 0.71 based on the original (equivalent focal length = focal length x 0.71), which helps enlarge 1 stop aperture
• AF Functions & Adjustable Aperture: auto focusing function, increasing the lens 1 f-stop and the amount of light into the virtual background, better highlight the theme; adjust the aperture directly from camera to control the lens’ actual aperture
• Material & Design: bayonets are made of metal with surface plating treatment, being durable and sturdy; inbuilt copper electronic contacts and IS function, making focus precise and clear; optical glasses built in 4 groups / 5 glasses; with 1/4" thread tripod foot at the bottom, etc
• Great Performance: use gold-plated needle PIN to transmit signal, enhancing its transmission performance; enjoy EXIF signal transmission; firmware can be upgraded by a micro USB port               
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Specifications:
Lens mount: Canon EF lens
Magnification: 0.71x
Aperture: to be increased by one f/stop
Tripod mount: removable
Optical construction: 4 elements / 4 groups

Notes:
It is not suitable for Full Frame E mount cameras (e.g. A7 series) and NEX video camcorders.
Focusing is not as good as Canon EF lens in EOS cameras and Sony E lens in NEX cameras because of different focusing systems between Canon and Sony cameras.

Suitable for:

Lens: Canon EF series lens

Cameras: cámara M4/3 GH5 GH4 GF1 GX85 E-M5 E-M10 E-M10II E-PL3 Pen-F