1/18/2024 0 Comments Retracting telescope for kids diyIf I had epoxy on hand, I would have used that because I believe it's stiffer. I used hot glue only because I happened to be out of epoxy the night I decided to build this. My tube is 8" so I used a 24" flat bungee I had lying around. Bungee cord long enough to go around your telescope's main tube.Clear plastic sheet like Plexiglas, enough for two 2x2" square pieces - mine was 1/8" thick.Piece of PVC tube 2" or more in diameter 12" or so in length.Never look directly at the sun and never point a telescope at the sun without a sun filter in place, it will burn out the optics in your telescope (this is no exaggeration). Looking at the sun without a proper solar filter is certain to damage your eyes. By slewing the scope, the user can look at the rear site from almost any angle to align the bright pinpoint with a mark on the rear sight, and thus with the sun. This scope works by projecting a pinpoint of light through a hole in the front sight onto the rear sight. Fast and easy attachment to telescope using bungee cord.Since it is made from a tube, provided the cuts are straight, it will automatically align itself to the telescope tube thus eliminating irritating and time consuming finder alignment and ![]() ![]() Automatic alignment of solar finder with telescope tube.Safe viewing for aligning a telescope with the sun.It takes about 45 minutes to make, start to finish. I used scrap I had on hand, but you can buy the parts for less that $10 at Home Depot. With it, you can find the sun without sighting down the tube or otherwise risking your eyes. It was so convenient I decided to build a ground glass type solar finder of my own. It had a very nice solar finder, using ground glass projection. A fire fighter named Chris generously let me peer through his dedicated solar scope at a public viewing site we were both at. The idea occurred to me while watching the Total Solar Eclipse on August 21, 2017. I show it attached to the Celestron Nextar 8 (CN8) but it can be used with any telescope with a simple adjustment to the elastic strap. birds).This solar finder scope works on any telescope with a tube. You have just built a simple refracting telescope! With your telescope, you should be able to see the moon and some star clusters as well as terrestrial objects (i.e. You may have to play slightly to get the exact distances between the two glasses right so that the image comes to a focus. Check to see that it works by looking at the printed page. ![]()
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