3.1
Adjusting and Locking the Aperture
The Optosplit II is supplied with an adjustable rectangular aperture
that allows the user to determine the ROI both vertically and
horizontally. Once the ROI has been defined, the aperture can be
locked in place using the aperture adjusters. (See diagram below.)
In order to adjust the ROI adjust each of the two levers on the input
port of the Optosplit II until the desired area is defined on the camera.
If you wish to lock the aperture in place then tighten the levers by
rotating them clockwise, and to loosen them rotate anti-clockwise.
3.2 Adjusting the Position of the Images
Once the camera is set up it is generally a good idea to familiarise
yourself with the operation of the alignment adjustments. Please note
that the diagrams overleaf indicate the images for a system using an
appropriately aligned and centred rectangular diaphragm. An image
similar to that shown opposite will be observed when the Optosplit II is
first used, with the two images being displayed superimposed.
When the camera is mounted correctly, the split adjuster and the
aperture control are the only controls that will be frequently adjusted.
The remaining adjusters on the body of the Optosplit II should remain
untouched unless the filter set has become unaligned.
Aperture adjusters
Aperture
mechanism
Turn the aperture handles
clockwise to lock and unlock
the aperture adjusters
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