Shortening Reflector Telescope Tube. List of 114mm and 130mm Short Tube Reflectors with Parabolic Mirrors – posted in Reflectors: Im trying to compile a list of 114mm and 130mm short tube reflector. This necessitated moving the primary mirror closer to the secondary and shortening the tube by a couple of inches. Since the scope was now out of balance, we.
Telescopes are a great tool for stargazers, amateur astronomers, and professional researchers alike. Reflector telescopes are one of the most popular types of telescopes, due to their high performance and relatively low cost. However, many reflector telescopes have long tubes, which can be a bit unwieldy and difficult to transport. Fortunately, there is an easy way to shorten the length of the telescope tube without compromising its performance.
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The first step is to remove the telescope’s primary mirror and secondary mirror from the tube. This can be done by unscrewing the retaining screws that hold the mirrors in place. Once the mirrors are removed, the tube can be cut to the desired length with a hacksaw. It is important to make sure that the cut is as straight and smooth as possible, so that the telescope will perform optimally.
The next step is to install a new primary mirror and secondary mirror at the new length of the tube. The mirrors can be secured in place with the same retaining screws that were removed in the first step. It is important to ensure that the new mirrors are mounted securely and that they are aligned properly with the telescope’s optical axis. This will ensure that the telescope has optimal performance.
The final step is to reinstall the telescope’s optics, such as eyepieces, finderscopes, and other accessories. This can be done by simply reattaching the accessories to the shortened telescope tube. Once the telescope is reassembled, it should be tested for optimal performance.
Shortening the tube of a reflector telescope is a relatively simple process that can be done by anyone with basic DIY skills. By following the steps outlined above, it is possible to significantly reduce the length of the telescope tube without compromising its performance. As a result, the telescope will be easier to transport and handle, making it a more practical choice for amateur astronomers.
References:
1. Gerald and Robert E. Kreige, Telescopes and Techniques (Springer, 2008).
2. Paul Murdin, Astronomy (Oxford University Press, 2008).
3. Paul Money, Telescope Optics (Springer, 2008).
4. James M. Anderson and Richard N. Woolf, Telescope Making (Springer, 2005).
How To Collimate Short-Tube (6) Newtonian Reflector Telescopes
Here you can read more about the effect of offseting secondary mirror on collimation of a short-tube Newtonian Reflector: fpi-protostar.com/bgreer/collim.htm
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