Celestron Collimation Eyepiece 1.25"
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You cannot use this with a battery. This model has no electronic components and no moving parts.
If there are no refractors, no collimation is necessary
Your telescope will be able to use the Collimation Eyepiece. It takes one minute to set up your telescope. Designed to be used with 25-inch eyepieces, the Collimation Eyepiece has a diameter of 0.75 inches.
Selected User Reviews For Celestron Collimation Eyepiece 1.25"
In light of other reviews I ordered the Celestron Collimation Eyepiece - 130 EQ for my new AstroMaster 130. There was a lot of ambiguity in the directions, as many other reviewers pointed out. Despite the fact that the Celestron Collimation Eyepiece does not allow you to see the outside of the secondary mirror, I did try putting it in the center as best After aligning the primary mirror as instructed, I mounted the secondary mirror. There was some improvement in the focus, but it continued to be below average. In some cases, I am able to save a few extra bucks by ordering a laser collimator instead of the Celestron collimation eyepiece. I was very pleased with how well the laser collimator collimates. It seemed like telescope collimation was almost accurate, but it definitely was not exactly correct. This was corrected by using the laser collimator to track telescope collimation. the focus on the telescope is much better since the laser collimator was used. You should not waste your money on the Celestron Collimation Eyepiece, instead buy a laser collimator that is inexpensive, make sure it is collimated, and use it to accurately.
In the instructions, there was not much indication as to how or where to place As a result. I have provided you with the translation. Place this in the usual place where you would put your 9mm or 25mm lens . On this screen you will see your secondary and primary lenses and can adjust them accordingly. You'll need good luck to figure them out as well. On my Celestron 130, I discovered that all I needed to do was to slightly adjust the three large screws on the bottom of the scope which were easy to reach and turn.
It was a challenge to get this to work, but I managed it. My measure of tube diameter did not match the manufacturer's, and it was likely not done by you. Essentially, it is a long tube with a smaller section that is supposed to fit into the telescope's eyepiece holder. Only until the shoulder of the tube makes contact with the eyepiece holder should it be inserted. There is tremendous freedom in the holder, and in fact the larger diameter part of the tube would fit in the eyepiece holder as well. The secondary mirror doesn't like it when the glasses are slipping in, so I had to be careful. I don't know if it would have mattered in light of how loose this thing was, but one of the small pins that make up its reticle was bent. By nudge it into a reasonably straight line, it became straighter.
I have no idea what I'd do without it The steps suggested by other Amazon reviewers on how to do collimation were followed. The first thing you need to do is to adjust the secondary mirror. Check out some YOUTUBE videos on collimation to get a sense of what it is. 2. Line up the crosshairs on the big mirror and the big rear view mirror. After that, it will be good to go. After I got the hang of it, I only had to adjust the 114mm Newtonian reflector for a few minutes. My own observatory has produced wonderful viewing results all summer and fall. I have tracked planets, Andromeda galaxies, and star clusters. I wish all of you a wonderful time gazing at stars.
My Sky-TV is hooked up to my computer This is an 8" (203mm) dobsonion reflector telescope by Watcher. In spite of not using laser or other tools, I was able to successfully achieve collimation without the aid of There are some instructions for this tool, but they are not as clear as those for the scope. I suppose it is easier said than done. Lasers are not very useful in videos either because they use a lot of light. The collimation of a telescope contains an extensive number of moving parts, but it is in fact a relatively easy process. I find most of the instructions boring and overly complicated. If you are able to chew gum and walk at the same time, this tool will work well for There is one focuser in my focuser. Sizes range from 25 inches to 55 2. If so, be sure to include it. You can use a reducer or adapter to fit this if you have 0 inches.
In this eyepiece, you get the convenience of a sight tube and a Cheshire eyepiece in Once you align your secondary mirror under the sight tube and the crosshairs reflection on the primary mirror is aligned with the crosshairs at the bottom of the sight tube, you are ready to go. You might need to spend up to ten minutes the first time you do a collimation, but it usually takes less than two minutes after that. A must-have tool that works plain and simple. I give it five.
Tool for collimation that is not well machined. The scope should not have a long focal length. It was too long to use the f/4 on my camera. It consists of seven rigs. Does not indicate anywhere in the description of this item that it cannot be used with There are no good words to describe this. A few of the machines were a bit sloppy as well. As you can see, there was quite a bit of wiggle room The project fails.
I am impressed with the quality of the collimation tube. Despite the crosshair being well-centered, the target is not in focus. It's the 40-something generation An accurate alignment and polish is provided for the degree wedge. An additional reflection layer appears on the inner side of the plate with the peephole. In addition to fitting nicely into the 1, the tube is also very flexible. Focuser with a 25" lens, not too long nor too short. Easily the best I've tried for the price. It is recommended.
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