The Cambo Mask 150mm / 4 x 5" is used to mask the 4 x 5" film format of the Cambo WDS-580 Viewfinder, which has a focal length of 150mm. With 120 degrees viewing angle, the WDS-580 viewfinder allows the mask to select the perfect frame with respect to the image size and focal length.

• The Cambo Mask 150mm / 4 x 5" features a millimetre scale, which helps in indicating the displacement of the image in accordance with the shift of camera
• You can select the mask based on focal length and use it with both 40x55 and 37x49 / 36x48mm CCD area for digital use
• These masks are offered in film sizes from 6x7, 6x9, 6x12, and 4x5" per focal length for analog use
  

Mask fitting to the WDS-580 viewfinder, masking 4x5" film format with 150 mm focal length