Hotech ADVANCED CT LASER COLLIMATOR User Manual Download Page 2

Advanced CT Laser Collimator Manual (V9.0 =OH=)                                     Page 1 of 20 

User Manual

 

ADVANCED CT LASER COLLIMATOR for CASSEGRAIN TELESCOPES 

TABLE OF CONTENTS 

 

 

Topic    

 

 

 

 

 

 

 

 

 

 

        Page 

 

Table of Contents ...........................................................................................................................................  1 

 

Introduction – Thank You  ...............................................................................................................................  3 

 

CAUTIONS & NOTES ....................................................................................................................................  3 

 

Collimation Basics ..........................................................................................................................................  3 

 

How the Collimator Works  .............................................................................................................................  4  

 

Overview of the Basic Co-Alignment Process  ...............................................................................................  4 

 

Basic Co-Alignment Process  .........................................................................................................................  4 

 

Package Contents ..........................................................................................................................................  4 

 

1.0. Setting Up the Laser Collimator on the Tripod  ..................................................................................  5 

 

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. Rough adjustment  ...................................................................................................................................  5 

 

2.4. Using the Fine-Adjuster  ..........................................................................................................................  5 

 

3.0. Installing the Reflector Mirror ..............................................................................................................  6 

 

3.1. Installing the Reflector Mirror into your visual back or focuser  ...............................................................  6 

 

4.0. Positioning the Laser Collimator at the Proper Distance  .................................................................  6 

 

4.1. Determine the distance between the laser collimator and your telescope  .............................................  6 

 

5.0. Achieving Basic Co-Alignment of the Collimator and Telescope ....................................................  6 

 

5.1. Center Aim your Telescope to the Collimator  .........................................................................................  7 

 

5.1.a. Alternate Method to Achieve Step 5.1, Telescope Alignment  .............................................................  7 

 

5.2. Aim Collimator Square to the Telescope  ................................................................................................  8 

 

5.3. Basic Co-Alignment Confirmation  ...........................................................................................................  8 

 

6.0. How to Read the Diagnostic Result on the Collimator  .....................................................................  8 

 

6.1. Locate the three laser dots  .....................................................................................................................  8 

 

6.2. The Reflector Mirror is not properly installed  ..........................................................................................  8 

 

6.3. The Reflector Mirror focus position is out of the telescope’s normal visual range of focus ....................  9 

 

6.4. Your telescope is grossly out of alignment  .............................................................................................  9 

 

7.0. Collimating the Secondary Mirror  .......................................................................................................  9 

 

7.1. Precautions Before Collimating the Secondary Mirror ............................................................................  9 

 

7.2. Secondary Mirror Collimation ................................................................................................................  10 

 

8.0. Fine Tuning Collimation  .....................................................................................................................  10 

 

8.1. Star test to fine tune adjustment  ...........................................................................................................  10 

 

 

Summary of Contents for ADVANCED CT LASER COLLIMATOR

Page 1: ...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: ...Reflector Mirror into your visual back or focuser 6 4 0 Positioning the Laser Collimator at the Proper Distance 6 4 1 Determine the distance between the laser collimator and your telescope 6 5 0 Achie...

Page 3: ...yepiece drawtube or visual back is not square to your primary mirror 11 10 0 Diagonals Reducers and Field Flatteners 11 10 1 Collimation with a Diagonal Accessory Installed 11 10 2 Collimation with a...

Page 4: ...rain type instruments are collimated in similar fashion For telescopes with both adjustable secondary and primary mirrors e g Ritchey Chretien type telescope please email or call us for details All la...

Page 5: ...ir now seen crisp and sharp center the return laser crosshair reflected from the telescope primary mirror in order to adjust the collimator to be perpendicular square to the telescope s optical axis F...

Page 6: ...You will see the projected laser patterns on the wall at various positions Mode 0 Unit off Mode 1 Crosshair laser ON Mode 2 Crosshair laser and three alignment lasers ON Mode 3 Crosshair laser three...

Page 7: ...tance for the telescope 4 1 Determine the distance between the laser collimator and your telescope a Position the collimator one tube length s distance in front of the telescope with the target plate...

Page 8: ...rings then adjust L R until the light beam L R sides are equal in distance to the same target ring d Iterate Step 5 1 c until the donut light beam and collimator target plate ring are as concentric a...

Page 9: ...to diagnose your optics 6 0 How to Read the Diagnostic Result on the Collimator With the telescope and collimator Basic Co Alignment completed Step 5 0 you can determine collimation errors present in...

Page 10: ...to the average number of turns When complete ensure all the knobs are snug CW against the secondary mirror Alternate Method for Gross Alignment A Mirror Reflections Check for a grossly mis collimated...

Page 11: ...erature changes 9 1 Accurate Basic Co Alignment was Not Achieved or is Insufficient It is possible that during collimation Step 7 0 the Basic Co Alignment of the Collimator Telescope Step 5 0 was slig...

Page 12: ...ither or both the focuser or visual back hardware that secures and registers the diagonal or the hardware part of the diagonal that secures and registers the final optic is inadequate the final optic...

Page 13: ...anced Collimator Telescope Z Axes Co Alignment procedures Steps 11 1 c d g h to achieve the best alignment possible within the limits of the telescope s construction Final Optics Axis Squaring Tilt Fo...

Page 14: ...termine the problem if not ideal with a reducer and or field flattener installed refer to Step 10 2 b to choose the best collimation alternative PRECAUTION Collimation and optical alignment beyond the...

Page 15: ...ck or focuser Center the crosshair laser onto the center of the reflector mirror target i If all three crosshairs cannot be perfectly centered then observing the collimator target plate center the two...

Page 16: ...e mechanical system employed to control tilt are presented in Step 11 1 d h Use one of the following mechanical systems to adjust the final optical tilt axis a Accessory Focuser Flange Tilt Setscrews...

Page 17: ...roves tilt alignment to the point that all torque is lost turn it back in CW until the first movement of tilt alignment is observed and stop this is the minimum torque required Then proceed using the...

Page 18: ...Remove the retaining ring and re center the corrector plate to its marked starting position 6 Replace the retaining ring and install all but two of the retainer ring screws to the screw adjustment tor...

Page 19: ...on 6 When the corrector plate is observed to be centered per Step 11 1 g torque CW all the retainer ring screws to the final torque and re check that the corrector plate is centered 7 Re check correct...

Page 20: ...te mechanical measurement is all the old timers had Use the Step 6 4 Mechanical Method to achieve a good rough centering of the Knobs Next remove the Corrector plate perform Step 11 3 a through c ensu...

Page 21: ...Advanced CT Laser Collimator Manual V9 0 OH Page 20 of 20 integrated systems equipment...

Page 22: ...r that is aimed by Tilt adjustment Primary The Telescope Primary Mirror Reflector Mirror forms Reflector Mirror Target Final Optics Mirror Tilt Mirror Tilt Axis Mirror Eyepiece Mirror The Reflector Mi...

Reviews: