F51
After the back cover is closed, flip up the Film Rewind Crank 13 and turn it in the direction indicated by an arrow mark on it to
reduce the slack of the film.
n
Wind the film and depress the Shutter Button (1(. Repeat this action until the figure
"1"
appears in the Film Counter Window
18.
Turn the Film Cocking Lever until it does not move further and the film will be transported by one frame and the shutter
charged at the s time. The mirror and the automatic aperture will also be set.
<> Each time when the cocking lever manipulated, the film counter advances one reading, indicating the number of pictures that
have been taken. When the back cover is opened after the exposure of a roll of film, the film counter automatically returns to
the
"
S" (Start) position.
To Check Film Advance:
When the film is being taken up in a correct manner, the Film Rewind Knob 14) turns counterclockwise. If it
does not turn counterclockwise, it means that the film is not being properly wound.
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SHUTTER AND APERTURE
A shutter is designed to control the amount of light reaching the film surface in terms of time and photographically to fix an
image of a subject on it. The shutter speed scale has calibrations of B and 1 to 500.
The readings of
1,
2, 4, 8 .... 500