Canon FT - Canon Booster for Dim Lighting

Canon Booster
A se parately availa ble Canon Booster is an aux iliary meter
that is attached to the FT and PELLIX QL for measuring
the subjects under dim lighting conditions .
Technical Data
Lig ht Measuring Rang e: Using ASA 100 film; EV 2.5
1/4
sec.-EV - 3.515 sec. at f/ 1.2 .
Measuring Method: Zero·met.hod direct reading type.
Photocell : Utilizes CdS photocell of the camera .
Exposure
Time Dial : In the case of FT; 30, 15, 8, 4, 2,
1, 1/2, 1/4 , 1/8, 1/
15 , 1/ 30, 1/ 60 sec.
Power Sour ces: For operating meter , use two 1.3v M20
(# 625) mercury batteries.
For illumination of meter indicator window , use one 1.3 v
M20 mercury battery (use the battery removed fr om the
camera).
Battery Check: Can be checked by the switch .
Size :
65 x 54 x 39mm (2 )1" x 2 Ys" x 1 )1" ).
Weight: 180 grams (6% oz.).
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