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Of course, the Laser-
Colli™ 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.
The six headless setscrews serve the purpose of adjusting the laser exactly co-axial. Please –
never try to tweak these screws yourself otherwise the laser will become tilted in its housing
and thereby misaligned. For the same reason the orientation of the Laser-Colli™ in 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 symmetry. Necessary mechanical production tolerances for the ocular
holder and the housings of our Laser-Colli™ instruments require a correct orientation when
mounting the Laser-Colli™ into 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°
apart of each other, the rear On-Off switch screw of
the Laser-Colli™ should 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.