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NOTE: Spherical mirrors can be pulled into a parabolic curve by a method known as flexing. The result is often better than a polished parabolic mirror if done properly as parabolic mirror generally have a rough surface and spherical mirrors generally have a smooth surface. Here is a link about mirror flexing to answer any questions about it: http://www.skyandtelescope.com/wp-content/uploads/Adler-MirrorFlex.pdf
Need a replacement mirror or building your own telescope? This is what you get:
8" f/3.9 spherical mirror, focal length = 800mm, coated and ready to mount (holder is not included). 2-3/4" minor axis secondary flat, also coated - spider and holder are not included.Since this is a big fast mirror, F3.9 and a sphere, you will not get clear high power viewing with it, but for deep sky it will be fine. If you want good clear images up to 200x, you can make a 3" diameter off axis opening, cardboard is fine, and then you will have a 3" F12 refractor-like quality image that should be sharp to 200x. So now you can build a deep sky and planetary scope for a very low cost. We have finderscopes, focusers and eyepieces at great prices on our ebay store, Telescope Warehouse.
This is a perfect replacement mirror set - we bought these directly from our supplier and are passing the savings onto our eBay customers - this is a great price for new optics! Also great for experimenters - make your own telescope! We have focusers and eyepieces in our store, check us out!
Please click on the blue and red "me" in the upper right corner for more info.
Check out our ebay store for a huge selection of telescopes and accessories!
Buy from a store you can trust, we ship promptly - usually the same day!
Disclaimer: Prices and descriptions maybe different on retailers sites, please check the retailers website for the latest images / products / prices and descriptions. Zeppy maybe compensated for some of these listings.
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