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In the silver body Laser Colli
(picture below) no sharp dot
is produced by the reflected
laser beam.
The alignment procedure itself is exactly the same as for a Newton optics – only much simpler.
Fasten the Laser-Colli™ straight into the SC-visual back, without using a star diagonal, in order to
avoid wrong alignment due to inaccurately tilted mirror diagonals.
Arrange the on/off contact of the Laser-Colli™ to line up with one clamp screw of the visual back,
alternatively halfway between – whenever there are two locking screws to be found.
Inspect the reflected laser beam on the reference plane – center the laser beam to fall back into
itself by tilting the secondary mirror, accessible from the front end of the optical tube.
Simplified sketch of the SC-secondary mirror
tilting mechanism. Three screws are arranged
120° apart, around a center pin on which
the secondary mirror pivots.
Loosening one screw and tightening another will tilt the mirror into the designed position.
WARNING
Loosening all three screws completely will make the secondary mirror fall off its support – possibly
falling down onto the primary mirror and creating severe damage!
Only attempt to collimate your SC-Telescope after having read fully the corresponding sec-
tion in the original instruction manual .
New Laser Colli,
used on Celestron
CPC SC-Optics
New
Laser Colli,
used on Celestron
114 Short Catadioptric