Full area measuring on the entire 6 x 9cm format. For VH, VH-R, Rotary Back and 6x9 Reducing Back.
TTL meters for average, full-area measuring on the film plane. Read-out of film surface value with immediate computation of shutter speed or aperture setting. Fits cameras like a sheet film holder. No need to calculate bellows factor for close-ups, or to consider any other effect on the exposure caused by the movements or filter usage.