Return to ASTROSYSTEMS LIGHT PIPE SIGHT TUBE/CHESHIRE COMBO COLLIMATION TOOL--1.25"
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5 of 5 Reliable Tool and Amazing Service November 24, 2022
Reviewer: Erik Tarbell from Fate, TX United States  
I bought this for my Apertura AD12 f/5, which came with a laser collimator that was way out of collimation. Instead of trying to fix that I decided to get a tool that would accurately collimate both the primary and secondary. I have been able to nail the collimation with this tool and my views are better than ever. This tool is very straightforward to use once you get it. Don also sends very clear instructions that I recommend you read a couple of times before it arrives.

I had a question that I sent to Don and he gave me a quick and awesome response that clearly demonstrated decades of experience and thinking which didn't just answer my question but helped me understand my instrument much better. I will certainly be buying from eyepiecesetc again.

Also, shipping was really fast!

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5 of 5 July 26, 2022
Reviewer: David Sanders from Little Elm, TX United States  
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5 of 5 Astrosystems combination tool, newt collimation December 19, 2021
Reviewer: Charles Snell from White Rock, NM United States  
This tool works perfectly and is easier to use than my Celestron cheshire collimator. I will be using it at home and taking it along with my 1-1/4" Glatter collimator with TuBlug when I go on vacation. Ideal for my 10" Teleport and 10" Teeter's f/5. Have not tried it yet with my Starmaster f/4.5 but it should work well with that.

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5 of 5 Everything Went Smoothly August 16, 2021
Reviewer: Marc Popick from New York, NY United States  
I got introduced to astronomy by a good friend recently. His current equipment is being updated, so I decided to also start building my eyepiece collection and collimation tools. Don helped us out immeasurably by providing advice to make sure my experience is positive. Shipping was quick, as was all communication. Even when not asked, Don kept me updated on the whole process. I will be ordering from Don again.

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4 of 5 Light Pipe Collimation tool July 16, 2021
Reviewer: Anonymous Person from Roanoke, VA United States  
The Light Pipe Collimation tool arrived sans instructions. I informed Don and he sent the instructions via e-mail. My main complaint is the instructions. I am a complete and absolute novice at all things telescope. The instructions seem to require more knowledge of a telescope than I possess.

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5 of 5 Great Service! January 21, 2021
Reviewer: Harry B. from Shawnee, KS United States  
After a lot of research on different collimation  tools for my dobsonian, I got in touch with EyepiecesEtc.com to ask some questions. Don was a huge help in choosing the right tool and provided additional instructions on proper collimation using a sight tube and cheshire. Highly recommend this store.

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5 of 5 An Excellent Collimation Tool October 16, 2020
Reviewer: Sol Robbins from Northeast New Jersey  
I am not new to collimating telescopes and have used a variety of sight tube/cheshire alignment tools with both reflector and refractor telescopes. The Astrosystems Light Pipe is superior to my existing tools. This longer tube length and the way a light source can be pointed into the sight path is quite forgiving as compared to having light reflect off a 45 degree angled piece of metal, which can be quirky. With the Light Pipe I have a more sensitive line of sight to accurately center both secondary mirror to the focuser and primary mirror to the secondary in a newtonian telescope, as well as focuser and star diagonal centering with a refractor's objective lens. Lastly, Don is wonderful to deal with. Some icing on the cake was that Don sent clear instructions on using the Light Pipe in PDF form. My small purchase of the Light Pipe proved its worth last night when with really good seeing conditions, I was getting great views of Mars at 338x with my 8" reflector. Thanks Don!

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5 of 5 Collimation Tool October 7, 2020
Reviewer: Ben D from New Providence, NJ United States  
Prompt service!  Don emailed me the instructions and offered to assist with any questions/concerns.  I would definitely recommend EyepiecesEtc.com .

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5 of 5 Good place to get your astro parts. June 7, 2020
Reviewer: Monty Giavelli from Boaz, AL United States  
Don is an expert on collimation and everything else. I felt like I was in good hands buying from EyepiecesEtc.com. Don will answer your questions in a timely manner.
Monty

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5 of 5 Astrosystems Light Pipe November 10, 2019
Reviewer: morgan from Arkansas  
I purchased the light pipe to supplement/enhance collimation of 12" Dobsonian previously equipped with laser collimator only, which is good to initially get you in the ball park.  Pipe works well to refine accuracy and get you to home plate, providing a consistent manual means of alignment opposed to the unknown calibration of electronics/lasers.

I also commend Don for his service as I caught him in midst of urban fire evacuations, which delayed shipment.  He readily communicated situation and shipped items as soon as possible, which arrived in good order and well packaged.

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