<Focusing with the Microprism Collar and Matte Screen >
Turn the Focusing Ring until your subject on the microprism collar or the matte screen appears sharp. It is n
in sharp focus if the image appears wavy on the microprism, or blurred on the matte screen.
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· If you are using a lens with a large focal length or a relatively "slow" lens or taking close-ups with high
magnifications, focusing may be difficult because the microprism center will become dark. In such cases, focus
on the matte screen.4www.butkus.org
< Diopter Lenses >
If you are far- or nearsighted, special diopter lenses (Contax, optional) are available in eight diopters: - 5D, -
4D, -3D, -2D, OD, +1D, +2D and + 3D. Choose one that suits your eyesight and fix it into the eye cup.
SHUTTER SPEED AND APERTURE
<Setting the Shutter Speed>
The shutter controls the time during which light reaches the film. If the Shutter Speed Dial is turned to a one
step higher number prom 125 to 250, for example), the amount of exposure will be reduced by half; if it is
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