Overview
The Viltrox EF-M2 PRO 0.71x Lens Mount Adapter allows Canon EF-mount series lenses to be used on Micro Four Thirds cameras compatible with EF-M lenses. It multiplies the focal length by 0.71 and increases aperture by one stop, helping to capture more light and highlight subjects. The adapter features autofocus, EXIF signal transmission, and an adjustable aperture, with firmware upgradeable via USB.
Core Features
- Compatible with Canon EF lenses
- Focal length multiplier 0.71x
- Increases aperture by one stop
- Autofocus support
- EXIF data transmission
- Adjustable aperture control
- Firmware upgrade via USB port
Optical Design
The adapter is built with 4 groups of optical glasses (4 pieces), ensuring high-quality image transmission and proper lens functionality.
Physical Design
- Tripod socket 1/4" (6.35 mm)
- Diameter: 68 mm
- Length: 27 mm
- Weight: approximately 145 g (excluding caps)
Specifications
| Model | EF-EOS M2 Adapter Mount |
| Compatible Lenses | Canon EF series lenses |
| Compatible Cameras | Micro Four Thirds cameras compatible with EF-M lenses |
| Focus Mode | Auto focus |
| Focal Length Multiplier | 0.71x |
| Optical Glasses | 4 groups, 4 pieces |
| Firmware Upgrade | USB upgrade port |
| Tripod Socket | 1/4" (6.35 mm) |
| Diameter | 68 mm |
| Length | 27 mm |
| Weight | Approx. 145 g (excluding caps) |
What's Included
- Viltrox EF-EOS M2 mount adapter
- Front cap (camera cover)
- Rear cap (lens dust cap)
- Barcode: 85580
- UPC Barcode: 6953400305166
- Supplier Code: EF-M2PRO