Focal Reducer Speed Booter Pentax K to Sony NEX
- For using Sony NEX(E) mount APS-C digital cameras with all Pentax K 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.
- For Pentax DA lens, e.g. DA 50mm F/1.8, only default aperture can be used, i.e. smallest aperture F/22.
- 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.
Focal Reducer Speed Booster Adapter Pentax K to Sony NEX x1