Focal Reducer Speed Booter Adapter M42 to (for)Sony NEX

Specifications

- For using (for)Sony NEX(E) mount APS-C digital cameras with all M42 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.

- 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.

- With front and rear caps.

Settings:

1. Put red marks of the adapter and lens collar together.
2. Turn the adapter anticlockwise till the fixative click.
3. Mosty it will use Manual or Av mode.

Removing:

To remove the adapter you should unpress fixative pin and turn the adapter clockwise.