Leica R6.2 User Manual download pdf (Page 20)

Time exposures

With the LEICA R6.2, the exposure meter's

working range depends on the sensitivity of

the photodiode, the film-speed setting, the

nominal aperture of the lens in use, the

camera's shutter-speed setting range and the

lens's aperture-setting range (see: "Working

diagram of exposure meter, page 12).

Depending on the lens in use, it extends

from 1/1.4 to f/32.

If poor light and a small aperture do not

permit correct balancing, it is possible to

measure the exposure value at full aperture

and, converting the shutter-speed measu-

red to a different aperture setting (Note:

Remember to correct the film speed setting

after the exposure!), expose in the "B"-

setting (see working diagram).

Low-light warning

The camera's photodiode has a linear

measuring range for correct exposures.

When there is too little light for this range,

the exposure meter's photoelectric cell can

no longer produce an accurate reading and

the exposure that the viewfinder displays

may produce a poor result. To avoid this,

one or more LED's in the viewfinder's

shutter/aperture balance may flash.

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Leica R6.2 User Manual Page 20