Setting an additional exposure compensation (± 2 EV) allows speeds of ISO 1.5/3° to ISO 25000/45° to be used. Film speed range - Choice of automatic setting from ISO 25/15° to ISO 5000/38° for DX coded films or manual setting from ISO 6/9° to ISO 6400/39°.Automatic reset after removing base plate. Rewind Manually with extending rewind button or rewind crank after turning R lever on front of camera. Advance Manually with quick wind lever or LEICAVIT M or motorized using LEICA MOTOR M, LEICA WINDER-M, LEICA WINDER M4-P or LEICA WINDER M4-2 (from serial no. Film transport - Manual film loading after opening base plate and rear panel.Exposure compensation +/- 3EV in 1/3 EV increments or from 0 to –3 EV in 1 EV increments with computer control.Flash - hot shoe synchronization speed 1/50s, slower shutter speeds can be used with manual settings.The LEDs flash to warn that the brightness reading is above or below the metering range. Triangular LEDs give the required direction to rotate the aperture dial. LED light balance with two triangular LEDs and a central circular LED to adjust the exposure. Custom versions with x 0.58 & 0.85 magnification are available from the manufacturer. Viewfinder - Optical x 0.72 magnification with automatic parallax corrected framelines.Special editions - Sheikh Al-Thani Titanium Special Edition (1) - 50 Anniversary Midland Leitz (50 cameras) - Titanium 50 Year M Edition (1000 cameras) - CPA (China Photograph Association) Edition (51 cameras) - Hermès Edition with 1.4/35 mm ASPH.Variants - Black - Silver - a la Carte - MP viewfinder added at s/n 2885000 and DX contacts somewhat later per Forum discussion below.Type - 35 mm rangefinder camera with electronically controlled shutter and two mechanically controlled shutter speeds.(BK factory camera), 10546-blackchrom0.72set Leica M7 with 50mm f/2 Summicron-M IV lens.

Leica m7 serial numbers year