Leica M Instruction Manual page 253

Sensitivity range
Adjustable from ISO 200/21 to ISO 6400/39, in 1/3 ISO
increments, choice of automatic control or manual setting, Pull 100.
Exposure mode
Choice of automatic shutter speed control with manual aperture
preselection - aperture priority
aperture setting.
Flash exposure control
Flash unit attachment
Using accessory shoe with center and control contacts or using SCA
adapter set (see p. 226).
Synchronization
Optionally triggered at the 1st or 2nd shutter curtain.
Flash sync speed
= / s; slower shutter speeds can be used, if working below
1
180
sync speed: Automatic switching to TL linear flash mode with HSS
compatible Leica system flash units.
Flash exposure metering
(with SCA-3502-M5 adapter or SCA-3000 standard flash unit, e.g.
Leica SF 24D / Leica SF 58) Control with center-weighted TTL
pre-flash metering.
Flash measurement cell
2 silicon photo diodes with collection lens on the camera base.
, or manual shutter speed and
A
Flash exposure compensation
±3 / EV in / EV increments adjustable on SCA-3502 adapter. On
1 1
3 3
Leica SF 24D ±3EV in /
1
3
increments adjustable with computer control / on Leica SF 58 ±3EV
in / EV increments in all modes.
1
3
Displays in flash mode (in viewfinder only)
Ready: Constant illumination of flash symbol LED in viewfinder.
Confirmation: Continued illumination or brief rapid flashing of LED
after exposure.
Underexposure indicator: LED temporarily goes out.
Viewfinder
Viewfinder principle
Large, bright line frame viewfinder with automatic parallax
compensation.
Eyepiece
Adjusted to –0.5 dptr. Corrective lenses from –3 to +3 dpt. available.
Image field limiter
By activating two bright lines each: For 35 and 135mm, or for 28 and
90mm, or for 50 and 75mm. Automatic activation when lens is
attached. Frame color (red/white) selectable in menu.
parallax compensation
The horizontal and vertical difference between the viewfinder and the
lens is automatically compensated according to the relevant distance
setting, i.e. the viewfinder bright-line automatically aligns with the
subject detail recorded by the lens.
251
EV increments or from 0 to –3EV in 1EV