Celestron 82291 instruction manual New Laser Colli, used on Celestron CPC SC-Optics

In the silver body Laser Colli (picture below) no sharp dot is produced by the reflected laser beam.

New Laser Colli,

used on Celestron

114 Short Catadioptric

New Laser Colli, used on Celestron CPC SC-Optics

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° apart,mechanismround. Thra ceenterscrewspin onarewhicharranged 120

the secondary mirror pivots.

Loosening one screw and tightening another will tilt the mirror into the designed position.

WARNING– possibly Loosening all three screws completely will make the secondary mirror fall off its support

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 .

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