ADJUSTABLE SHUTTER
[Film Technology]
[Film Technology]
Some cameras have shutters that may be adjusted to give shorter exposure times either to reduce the exposure or to ensure a sharper picture of a fast
moving object. Most adjustable shutters may only
be reset while the camera is stationary but a few may be adjusted while the
camera is running. This permits exposure to be altered in shot without affecting the lens characteristics [depth of field, zoom focal
length setting etc.] or to create a fade
or a mix ‘in camera’
[fade in camera, mix in
camera, in camera effects] when using a
camera equipped with an adjustable shutter the cameraman
or camera
assistant should always check the shutter opening is as required before
use. When using a camera with shutter set below maximum it is a wise precaution
or lens aperture ring to act as reminder that a
difference must be allowed for when setting the exposure.
[a] Cameras with shutters adjustable while the camera is running or stationary
– 35mm –Cinema Products XR35, Mitchel NC, BNC, BNCR etc and S35R, panavision PSR and panaflex.
16mm- Bolex H16 RX-5, SB
and SBM Mitchel 16.
Super-8- Beaulieu 4008, canon
814 XL and 1014 Electronic. [b] Camera
with shutters, adjustable only hile camera is stationary-35mm- Arriflex 35 II BV, Éclair CM3, Cemematic, GV35. 16MM- Éclair NPR, GV 16 , Photosonic [optional] [c] Cameras
with interchangeable shutter blades of various opening-35MM-Arritechno. 16 MM- Milliken,
Mitchel Sporster 164, Photosonic, Redlake, Hadland, Wollenstock.
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