Nikon Nikkormar FT3 - Frame Counter; Film-Speed (ASA) Setting

Frame Counter
The frame counter located on top of the camera works
automatically to show how many frames have been
exposed. The numbers 20 and 36 are colored red to
correspond to the number of frames in a standard
3Smm cartridge. The frame counter stops just past
the 36-frame mark and resets itself automatically to
"S", two frames before "0", when the camera back is
opened for reloading.
Film Speed (ASA) Setting
Some films are more sensitive to ligh t than others. A
fUm's sensitivity
is commonly known as its "spee d,"
expressed in ASA numbers.
In order to work with films of different speeds, the
Nikkormat FT3's light-meter circuit must be adjusted
for
the ASA number of the film used, This is done by
means of a slotted index pointer located on the
bottom of the shutter-speed ring. The ASA film-speed
scale has
numbered settings for speeds from ASA 12-
1600 with dots between each pair of numbers for
intermediate settings such as ASA 64, 80, etc.
. Pull
up the ASA lock on top of the shutter-speed
lever and , while holding the lock up, slide the slotted
ASA index pointer until it lines up with the ASA
number of the film in use. After releasing the ASA
lock,
check that the ASA index pointer is securely
locked
into position.
Film-Speed (ASA)Scale
1620 3240 64 80 125160 250 320 500640 10001250
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12
25 50
100 200
400
800 1600
9