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10. Video-Assist-System
10.1 General Description of the IVS
The Integrated Video-Assist System (IVS) for the ARRIFLEX 235
brings the highly praised video assist systems from the
ARRIFLEX 435 and ARRICAM to the ARRIFLEX 235. It
reassembles the IVS 435 control structure and of course
offers the same unsurpassed image quality combined with
a state-of-the-art inserter to add frame lines, camera status
and text to the video image.
Main Features
• Integrated into the camera body
Instead of a bulky add on, the video assist is an
integrated part of the camera without additional cabling.
• High sensitivity
A high-speed lens with an aperture of 1 : 2.0 and one
of the most sensitive CCD-Chips available on the
market provide an excellent color video image in
editing quality even when the light is set for high-speed
film stock to be pushed during processing.
• High resolution
The design of the new IVS optics was based on the
ARRIFLEX 235 viewfinder data and resulted in an image
quality, which cannot be attained by add-on solutions.
• Flicker-free
An integrated digital frame store enables the video
camera to be synchronized to the film camera‘s mirror
shutter and provides a flicker-free video image from 1 fps
to maximum speed (in manual gain control mode) because
the video image is always taken at the ideal position of
the mirror shutter. Flicker free can be switched off to bypass
the digital frame store and to have minimal delay in
the video system.
Video-Assist-System
image rotation focus
iris