TECHNICAL DATA
46
Shutter buttonShutter button
Two-stage
(Step 1: activation of the camera electronics including exposure metering,
Step 2: taking the shot)
Integrated standard thread for cable release
ADVANCING THE FILM
AdvanceAdvance
Manually with quick action lever or Leicavit-M (optional accessory) or
motor-driven with Leica Motor-M, Leica Winder-M, Leica Winder M4-P,
or Leica Winder M4-2
RewindRewind
Manually with rewind crank after flipping the R lever on the front of the
camera
Exposure counterExposure counter
On the top of the camera
Automatic reset after removal of the bottom cover
FOCUSING
Working rangeWorking range
70 cm to ∞
Focus ModeFocus Mode
Manual
EXPOSURE
Exposure meteringExposure metering
TTL (exposure metering through the lens), with working aperture
Measuring cellMeasuring cell
Silicone photodiode with converging lens at the top left behind the bayonet
of the camera
Film sensitivity rangeFilm sensitivity range
Manual settings between ISO 6/9° and ISO 6400/39°.
Metering principleMetering principle
Measurement of light reflected by the metering dot in the middle of the
1st shutter curtain
Diameter of the metering dot: 12 mm (equal to approx. 13% of the full
negative format or around 2/3 of the short side of the relevant bright-
line frame in the rangefinder)
Measuring rangeMeasuring range
Flashing left triangular LED in the viewfinder indicates values below the
measuring range
Exposure modesExposure modes
Manual settings for shutter speed, aperture, and ISO sensitivity
Calibration via LED light balance
FLASH EXPOSURE CONTROL
Flash unit connectorFlash unit connector
Via the accessory shoe with center contact and via synch port
SynchronizationSynchronization
On the 1st shutter curtain
Flash sync timeFlash sync time
f=1/50 s, slower shutter speeds available
Flash exposure meteringFlash exposure metering
By way of computer control of the flash unit, or using a guide number
calculation and manual setting of the required aperture
POWER SUPPLY
Two silver oxide coin battery (PX76/SR 44) or one lithium cell (DL1/3N)
At room temperature and 14 s metering time per shot, a set of fresh
batteries will last for around 100 films with 36 exposures each, which
makes for approx. 3600 shots (according to Leica test standards).
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