4.5\" 114mm f5 Short Tube Telescope Spherical Mirror with 1-3/8 Secondary F=500mm For Sale
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4.5\" 114mm f5 Short Tube Telescope Spherical Mirror with 1-3/8 Secondary F=500mm:
$24.95
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114mm 4.5\" Short Tube Spherical Mirror Kit - Great Value!NOTE: Spherical mirrors can be pulled into a parabolic curve by a method known asflexing. 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 set, or building your own telescope? This is what you get:
4.5\" f/5 spherical mirror, focal length = 500mm, coated and ready to mount (holder is not included).
1-3/8\" minor axis secondary flat, also coated - spider is not included.
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! This is less then the cost of recoating a 4.5\" mirror! 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!
Thanks!
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