Celestron 82291 instruction manual Orientation of the Laser-Colli in the eyepiece holder

OfCollicourse,™ the Laser- functions reliably

only if the laser beam it- self leaves its own hous- ing in an absolutely cen- tered position.

Therefore the laser source is symmetrically adjust- able in the housing around its rotational axis, which has been carefully ad- justed on a mechanical lathe by us prior to ship- ping - also see following page.

neverThe sixtryheadlessto tweaksetscrewthese screwss rve yourselfthe purpose of adjusting the laserwill exactly co-axial. Please –

otherwise the laser becomeLaser-Cotiltedli™in its housing

and thereby misaligned. For the same reason the orientation of thein the ocular holder of the telescope is of utmost importance.

A few more explanations and pictures follow:

Orientation of the Laser-Colli™ in the eyepiece holder

All our Laser-Colli™instruments are individually adjusted in an eyepiece holder on a lathe for the required centered rotational symmetryLaser. Necessary-Colli™mechanical production tolerances for the ocular

holder and theLaserhousings-Colli™of ourinstruments require a correct orientation when

mounting theinto your eyepiece holder as shown below.

Please see the picture on the left:

The rear screw serving as On-Off switch for the laser beam should be aligned with the locking screw on the

ocular holder.° If your telescope has two or more locking screws 120

apartLaserof each-Colliother,™the rear On-Off switch screw of

theshould be orientated on a center line just between them.

This orientation guarantees the laser alignment to be identical to the one in your eyepiece or camera to a fraction of a millimeter.

The Laser-Colli™ will be switched on by turning the small thumb screw (see picture). Thereafter the laser beam passes through the small hole in the center of the glass reference (see picture below). The reference has been etched with a very fine grid.

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