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Lenses - The Model 600 Camera has a 127mm f/4.7 lens (Figures 1-5
through 1.7). Two additional interchangeable lenses are available for
Model 600SE (Table 1-2).
The interchangeable lenses use a bayonet type mount for attaching to
the camera body. A lens release button locks the lens to the camera
body.
The lenses are fully coated and color corrected. Each is in a shutter that
allows exposure control with a wide range of shutter speed/aperture
combinations.
All lenses are equipped with Seiko between-the-lens shutters. Each lens
comes with front and rear lens caps and a collapsible rubber lens hood.
Table 1-2. Lenses
Detail\Lens 127mm f/4.7 lens 75mm f/5.6 lens * 150mm f/5.6 lens
(Normal) (Wide Angle) (Portrait)
Lens Construction 3 Groups 4 Groups 3 Groups
4 Elements 7 Elements 4 Elements
Apertures f/4.7 to f/64 f/5.6 to f/45 f/5.6 to f/45
Closest Focusing Distance 3.5 ft. (1.1m) 3.3 ft. (1m) 6.6 ft. (sm)
Angle of View 41 Horizontal 65 Horizontal 35 Horizontal
Screw-in Filter Size 55mm 72mm 55mm
Note: The 75mm lens comes with an accessory viewfinder.
Shutter - Seiko "S" shutters are contained within the lenses, providing shutter
speeds from 1 /500 sec to 1/sec, plus bulb and "X" synchronization.
The setting of shutter speeds is possible with the shutter in the uncocked
or cocked position.
The shutter has a "B" (bulb) setting for time exposures. This allows the
shutter to be held open as long as the exposure release is held down.
"X" synchronization allows the flash contacts to close when the shutter is
fully open, at all shutter speed settings.
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