The Leica MD was produced for 1977-1985 it was modeled after the Leica MDa which also not have a viewfinder. It is designed to be used with scientific equipment (generally microscopes)or to be used with a Visoflex for direct viewing.
Extremely reliable performance
Large assortment of high performance lenses ranging from 21 to 135mm and speeds as fast as f/1
Quiet and vibration free
35mm interchangeable lens Leica "M" camera without viewfinder
Leica M bayonet
1 - 1/1000 second plus Bulb
Yes for both X for electronic flash and M for flashbulbs.
Hot shoe - X-sync up to 1/50th second
Manual with lever
Possible with optional standard mechanical cable release
5.5 x 3.05 x 1.3" (WHD)
1 lb .8 oz
Leica MD-2 35mm "M" Without a Built-in Rangefinder Camera Body (Black)