Leica-Meter MR brand_Blazes Photographic Fits the proprietary two pin

Fits the proprietary two pin socket on the SX-70 for off-camera and shake-free shutter release

The 40mm focal length is a nice slightly-wider field of view that is well suited to rangefinder shooting

Its long zoom range

The Wein MRB400 is a 1

Probably not a surprise

Leica-Meter MR brand_Blazes Photographic Fits the proprietary two pinThe Leica Meter MR is a compact lightmeter designed to clip on to the accessory shoe of a Leica M2, M3 or M4. It's semi coupled, adjusting shutter speed while you rotate the calculator dial; you'll still need to set aperture. Some cosmetic wear from normal use (not even close to mint) but working and accurate.