Leica M4
The Leica M4 is a 35mm rangefinder system made by Leica (M4 1967-1972, M4-2 1977-1983, M4-P 1980-1985).
Optics & imaging
- Lens mount
- Leica M
- Shutter
- focal plane cloth curtains, horizontal travel from 1/1000 to 1s
- ASA/ISO range
- 160 to 2500 ISO
- Exposure meter
- None
- Exposure modes
- manual
Body & handling
- Focusing
- manual
- Rangefinder
- coupled, combined (ERB = 47.1mm)
- Viewfinder
- Reverse Galilean (magnification ×0.72) with automatic or manual selection of parallax corrected framelines
- Motor drive
- No (motor winder from M4-2)
- TTL Flash
- No
- Shoe
- fixed (hotshoe from M4-2)
- X sync speed
- 1/50
- Synchronized
- X
- Battery
- None
- Dimensions
- 138×77×38mm
- Weight
- 550g
Production & identity
- Maker
- Leica
- Camera Type
- 35mm rangefinder system
- Dates
- M4 1967-1972, M4-2 1977-1983, M4-P 1980-1985
- Variants
- M4 silver-black, M4-2/M4-P black
Serial Ranges
| Year | Serial range | Quantity |
|---|---|---|
| 1967 | 1175001–1178000 | — |
| 1967 | 1178101–1185000 | — |
| 1968 | 1185301–1195000 | — |
| 1968 | 1207481–1215000 | — |
| 1969 | 1225801–1235000 | — |
| 1970 | 1250201–1254650 | — |
| 1970 | 1267501–1273921 | — |