Related Manuals for Hotech ADVANCED CT LASER COLLIMATOR
Summary of Contents for Hotech ADVANCED CT LASER COLLIMATOR
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Page 1: User Manual
HOTECH The Synthesis of Innovation and Design User Manual ADVANCED CT LASER COLLIMATOR for CASSEGRAIN TELESCOPES MANUAL VERSION 9.0 WITH =OH= EDITS... -
Page 2: Table Of Contents
1.1. Where to setup the telescope and the collimator ..................5 1.2. Mounting the collimator on the tripod ...................... 5 2.0. Getting Familiar with the HOTECH Advance CT Collimator ............. 5 2.1. Installing the battery ..........................5 2.2. Switching the laser to the correct mode ....................5 2.3. - Page 3 11.2. Mechanical Systems Used for Final Optics Axis Tilt Aiming Adjustment ........... 15 11.3. Mechanical Systems Used for Corrector Plate Adjustment ..............16 11.4. Addendum ............................18 12.0. Glossary .............................. 20 Advanced CT Laser Collimator Manual (V9.0 =OH=) Page 2 of 20...
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Page 4: Introduction - Thank You
The following describes how to collimate your Cassegrain style telescope with the aid of the Advanced CT Laser Collimator. Please read the entire User Manual before working with your Advanced CT Laser Collimator CAUTION –... -
Page 5: Overview Of The Basic Co-Alignment Process
The Advanced CT Laser Collimator samples the entire optical system (primary, secondary mirror, and the eyepiece axial position) with a simulated large aperture flat-wavefront light source generated by three parallel lasers positioned behind the target plate. The target plate provides a clear view of the optics’ alignment condition when the three lasers are reflected back on the target (FIG. -
Page 6: Setting Up The Laser Collimator On The Tripod
Lock the collimator firmly in place with the lock-knob on the fine- adjuster's 1/4-20 bolt. 2.0. Getting Familiar with the HOTECH Advance CT Collimator 2.1. Installing the battery Unthread the battery compartment cap and insert the included CR123 lithium battery with the positive side up (+ tip side toward the cap) and replace the battery cap. -
Page 7: Installing The Reflector Mirror
You can use it as a quick rough check for aiming, but not to achieve co-alignment. (Continued Next Page) Advanced CT Laser Collimator Manual (V9.0 =OH=) Page 6 of 20... -
Page 8: Center Aim Your Telescope To The Collimator
See photo illustration. (The exact position of the laser crosshair lines with respect to the center of the collimator printed target cross is adjusted in the following Step 5.2, Collimator alignment.) Advanced CT Laser Collimator Manual (V9.0 =OH=) Page 7 of 20... -
Page 9: Aim Collimator Square To The Telescope
Otherwise go to Step 7.0. (Continued Next Page) 6.3. The Reflector Mirror focus position is out of the telescope’s normal visual range of focus Advanced CT Laser Collimator Manual (V9.0 =OH=) Page 8 of 20... -
Page 10: Your Telescope Is Grossly Out Of Alignment
1/32 turn and less. NOTE – You will need to constantly re-check telescope & collimator Basic Co-Alignment during the adjustment process to make sure proper alignment is maintained. (Continued Next Page) Advanced CT Laser Collimator Manual (V9.0 =OH=) Page 9 of 20... -
Page 11: Secondary Mirror Collimation
(the column inside the center of the rear cell the primary irror slides on to focus), some telescopes exhibit more mirror- flop then others. A slightly loose tolerance will cause major axial alignment deviation. The Advanced CT Laser Collimator is sensitive enough to pick up any deviations. -
Page 12: The Eyepiece Drawtube Or Visual Back Is Not Square To Your Primary Mirror
Advanced CT Laser Collimator Manual (V9.0 =OH=) Page 11 of 20... -
Page 13: In-Depth Collimation Procedures
Fine adjust the corrector plate to place the three de-focused dots onto the same reflector mirror concentric ring. When the focus knob is rotated so that the dots converged and expanded, they should cross the same concentric Advanced CT Laser Collimator Manual (V9.0 =OH=) Page 12 of 20... -
Page 14: Collimation By Final Optics Tilt With Zeroed-Out Secondary Knobs
180 degrees and again move the dot half way back toward the last position. Keep iterating this process until the single laser dot no longer moves when the secondary is rotated. (To ensure the Secondary is laterally Advanced CT Laser Collimator Manual (V9.0 =OH=) Page 13 of 20... - Page 15 The path of the three reflected outgoing collimating lasers, seen as the three dots on the same ring, displays that the path of light (laser or star light) that comes into the primary mirror is parallel to the primary mirror’s optical axis. Advanced CT Laser Collimator Manual (V9.0 =OH=) Page 14 of 20...
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Page 16: Mechanical Systems Used For Final Optics Axis Tilt Aiming Adjustment
This step presents the mechanical systems and their use to adjust the final optical (focuser, visual back, or tilt adjustable reflector mirror) tilt axis. The necessary checks and observations that must be made using the Advanced CT Laser Collimator to observe the status of the final optical tilt axis alignment – regardless of the mechanical system employed to control tilt – are presented in Step 11.1.d. -
Page 17: Mechanical Systems Used For Corrector Plate Adjustment
– the dot or dots move toward the direction from which the corrector plate is pushed, or conversely away from the direction the corrector plate is pulled. (To move the dots – push to fetch or pull to repel.) Advanced CT Laser Collimator Manual (V9.0 =OH=) Page 16 of 20... - Page 18 (CW tightening) will be needed on the retainer ring screws when finished and adjustments are complete – the “final torque”. Back-out (CCW) the retainer ring screws till they are loose, then turn them back in (CW) till they just Advanced CT Laser Collimator Manual (V9.0 =OH=) Page 17 of 20...
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Page 19: Addendum
5. The equipment stacks from the ground up: 1) Tripod with geared elevating center column, 2) Quick release adaptor with fine-sliding rail, 3) supplied fine-adjuster, and 4) on top – the collimator. (Continued Next Page) Advanced CT Laser Collimator Manual (V9.0 =OH=) Page 18 of 20... - Page 20 Corrector Plate to align the Primary Mirror Optical Axis Centerline reflected from the Secondary Mirror with the Final Optics Axis Centerline. g. Facts – The facts illustrate that the HOTECH Advanced CT Laser Collimator has made historically significant seminal advancement to the tools available for amateur telescope collimation, adjustment, and optics alignment. The detailed sensitive measurements that can be made with the ACT Laser Collimator simply cannot be made with star collimation or traditional tools that were previously available to the amateur telescope owner.
- Page 21 Advanced CT Laser Collimator Manual (V9.0 =OH=) Page 20 of 20...
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Page 22: Glossary
Adjusting the Secondary Mirror Knobs (or screws) to make the Secondary optical axis centerline perpendicular (square) to the plane of the front glass Corrector plate (this involves rotating the Secondary Mirror to achieve it) (Step 11.1.a). Advanced CT Laser Collimator Manual (V9.0 =OH=) Page 21 of 20...
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