Viltrox EF-M2 II Auto 0.71x Speed Booster Adapter For Canon EF Lens to M43 M4/3
Package Included:
1 x Viltrox EF-M2 II adapter (in retail box)
1 x front and rear caps
1 x user manual
(the lens and camera in the picture is not included, just for showing)
Product Description:
Viltrox EF-M2 II Electronic Adapter (F Booster) is designed for Micro Four Third cameras and Canon EF mount lenses. EF-M2 builts with optics to increase light input by one F stop and reduce focal length by x0.71. EF-M2 also comes with USB port for firmware update and a dedicated button to adjust aperture. With 1/4 screws, which can easy installed on the tripod or other fixed bracket.


Features:
- Integrated USB port for adapter firmware update^
- 4 elements in 4 groups optics increase light input by one F stop and also reduce focal length by x0.71. 
- Dedicated switch to adjust aperture 
- Support EF lenses manufactured by Canon, Sigma, Tokina and Tamron (Not support Canon EF-S mount lenses)
- Record EXIF data includes aperture, focal distance etc.  
- Support lens Image Stabilizer  
- High precision galvanized alloy with chromium plating on both mounting surface to ensure smooth installation and durability. 
Specifications:
* Compatible lenses: Canon EF series lenses
* Compatible cameras:  M43 series cameras
* Focus mode: Auto focus
* Focal Lenth Multiplier:0.71x
* Optical  glasses :4 groups, 4 glasses 
* Tripod Socket:1/4"
* Diameter and Length: Φ67mm×25mm
* Net weight:125g
* Warranty:  18 months
Suitable For:
Lens:
Canon EF Lens (not fit EF-S lenses): 
Canon EF 24-70mm f/2.8L II USM
Canon EF 70-300mm f/4-5.6L IS USM
Canon EF 20-35mm f/3.5-4.5 USM
Canon EF 24-105mm f/4L IS
Canon EF 50mm f/1.4 USM
Canon EF 100mm f/2.8 Macro 
Canon EF 50mm f/1.8 II
Canon EF 17-40mm f/4
Canon EF 70-200mm f/2.8L IS II USM
Canon EF 70-200mm f/4L
Canon EF 35mm f/1.4L
Canon EF 70-300mm
Canon EF 16-35mm f/2.8L II
Canon EF 24-85mm f/3.5-4.5 USM
Canon EF 28-135mm f/3.5-5.6 IS
Canon EF 70-300mm f/4-5.6 IS USM
Canon EF 85mm f/1.8 USM
Canon EF 70-300mm f/4.5-5.6 DO IS USM
Canon EF 20-35mm f/2.8 L
Canon EF 14mm f/2.8 L
Canon EF 180mm f/3.5 L
Canon EF 70-200mm f/4L IS USM
Canon EF 24-105mm f/3.5-4.5
Canon EF 28-80mm f/3.5-5.6 II
and more...

YongNuo YN EF 50mm f/1.8

Tamron AF 17-50mm f/2.8 Di-II LD 
Tamron 18-270 F3.5-6.3
Tamron 150-600mm f/5-6.3
and more...


Cameras: 
Micro Four Thirds (Micro 4/3) Cameras
for Panasonic: 
GH5 / GH4 / GH3 / GH2 / GH1 / GF9 / GF8 / GF7 / GF6 / GF5 / GF4 / GF3 / GF2 / GF1/ 
GX85 / GX8 / GX7 / GX1 / G7 / G6 / G3 / G2 / G1


for Olympus:
EM10 / EM10 II / EM10 III / EM5 II / EM5 / EM1 II / EM1 / E-PL8 / E-PL7 / E-PL5 / E-PL3 / E-PL2 / E-PL1 
PEN-FE-PM2 / E-PM1 / E-P5 / E-P3 / E-P1 / E-M5.

Settings:
1. Put red marks of the adapter and lens collar together.
2. Turn the adapter anticlockwise till the fixative click. 
3. Set Canon lens.


Removing:
To remove the adapter you should turn the adapter clockwise.
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