Operating The Camera - THOMSON grass valley VIPER LDK 5490 User Manual

Operating the camera

functions to be performed are:
• Framing
• Focussing
• Shutter angle
• Internal optical filters (if required)
• Start recording
Framing
Because the picture displayed in the viewfinder (and on the monitors)
is directly derived from the electronic signal from the sensors, it is a
perfect representation of the captured shot regardless of the position
of the viewfinder. (The viewfinder causes no light loss or reflections
and does not have to be physically aligned.)
Focussing
A tape measure stud on the lens adapter provides a reference for the
optical plane.
To assist with optical focussing through the viewfinder, use the VF
Zoom button on the left-front of the camera to enlarge the centre of the
viewfinder image.
A crawler function (that can be switched on or off in the VF menu) adds
motion in the viewfinder to objects in sharp focus.
Light exposure
The camera has a sensitivity that is equivalent to a film sensitivity of
about 320ASA (400ASA for super wide-angle). Use the zebra function
in the viewfinder picture to identify overexposed areas.
The sensitivity of the camera is also influenced by the shutter angle you
select.
Shutter angle (exposure time)
5-4
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