Celestron Collimation Eyepiece 1.25"
by Celestron
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Our Price: $39.75
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Category: Digital Camera
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Digital Photo Product Details
Manufacturer: CelestronModel: 94182
Product features:
- Celestron Collimation Eyepiece - 1-1/4'' - 94182
- Ideal for precise collimation of Newtonians
- Special eyepiece fits into 11/4" focusers or diagonals.
- Alignment is easy
- Collimation eyepiece is more accurate than the simple Collimation Tool
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Digital Cameras Photo Reviews of Celestron Collimation Eyepiece 1.25"
Customer Review: Was not able to collimate my telescope with it
Summary: 1 Stars
Using the included instructions, I was not able to achieve a satisfactory collimation of my Orion XT-12i Dobsonian telescope (it made it much worse in fact). I also tried using a bunch of different online guides and was never able to collimate successfully using those either. I was attempting to collimate both the secondary (which I had foolishly messed with) and the primary.
One of the problems that I ran into is that the pictures in the manual and guides never matched up with what I actually saw looking through the collimator. My best guess is that the drawings were idealized, and my collimation was screwed up enough, or my telescope different somehow, so that I was not to be able to figure out which parts were real and which idealized, leading to a lot of frustration and dead-ends. Also, the tool wobbled around in the eyepiece, even after buying a special Orion centering adapter that was supposed to prevent it. So I could change the "collimation" based on how I inserted the tool, or even based on how I changed the focus settings (which people claimed shouldn't be happening, but I thing this might be due to having an offset telescope? Just guessing).
I eventually gave up and re-collimated using the Orion collimation cap that came with the scope. It's not perfect either, but it is much better now than this tool was ever able to do, and at least I was able to get back to where I was before I fooled with my secondary. I feel that this collimator was a waste of money.
Description of Celestron Collimation Eyepiece 1.25"
The Celestron Cheshire Collimation Eyepiece is ideal for precise collimation of Newtonians and helpful for aligning Schmidt-Cassegrains. This special eyepiece fits into 1¼" focusers or diagonals. Alignment is easy using the small opening on one end and thin cross hairs at the other end. The collimation eyepiece is more accurate than the simple Collimation Tool.Eyepieces
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