Hasselblad Meter Prism Viewfinder PME 45 is a 45° meter prism viewfinder providing a convenient viewing angle for various photography work. The built-in exposure meter offers three metering methods, a choice of shutter or aperture priority, and an array of pre-set possibilities. The eye piece is recommended for eyeglass wearers with its diopter adjustment range of -2 to +1. In addition, the integrated special reference mode is useful when evaluating the light reflected from different areas in the image, or when monitoring changes in the lighting conditions. Metering method can be changed between TTL spot metering, center-weighted TTL integral metering and incident metering via a dome sensor.