Focal Reducer Speed Booter Canon EOS to M43
- For using Micro Four Thirds (M4/3) mount digital cameras with Canon EOS (EF) mount lenses..
- Reduces focal length to 0.72, adjust the image size to near 1:1, so that the focal length of the image is close to actual focal length of the lens, e.g. 50mm x 1.5 x 0.72 = 54mm.
- Allows focus infinity.
- Switching camera to "Shooting without lens" mode is essential.
- Helps to increase the maximum aperture to 1 stop, also can use it faster by 1 stop.
- Blue spot will occur if lens is shot to sunlight or lamp directly.
- For Canon EF lens, e.g. EF 50mm F/1,8 II, only default aperture can be used, i.e. largest aperture.
- Vignetting may occur in EF-S lenses.
- With front and rear caps
To remove the adapter you should depress fixative pin and slide the pin towards the camera body and turn the ring clockwise.