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4.5" 114mm f/8 Long Tube Telescope Spherical Mirror with 1" Secondary F=900mm For Sale


4.5



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4.5" 114mm f/8 Long Tube Telescope Spherical Mirror with 1" Secondary F=900mm:
$34.95



114mm 4.5" Long Tube Spherical Mirror with1" Secondary - 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 or building your own telescope? This is what you get:

4.5" f/8 spherical mirror, focal length = 900mm, coated and ready to mount (holder is not included).
1" 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! Also great for experimenters - make your own telescope! We have focusers and eyepieces in our store, check us out! Note: Photo shows some shadows - it's hard to photograph mirrors - the coatings are perfect!

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!



inkfrog terapeak
Buy Now

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