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Hyperstar Alternative?

Started by brucesdad13, 01/12/2015 06:18AM
Posted 01/12/2015 06:18AM Opening Post
Hello all, I've been Googling around and haven't had much luck. Is there an affordable alternative to the HyperStar 3 lens for an 8" Celestron? Is the lens absolutely necessary? Can something be rigged up or machined or 3D printed... Gorilla tape? ;-)

~ Charlie Stevenson

8" f/5.7 String Telescope - 1st Scope Build; 2nd Place Stellafane 2016 Optical Award for Newtonians 12.5" and Smaller
10" f/4.5 Newtonian (June 2015) mirror refigured by Optic Wave Labs P-V WaveFront 1/14.24, Strehl Ratio 0.993 (Aug '15)
Criterion RV-6 seems to be circa 1973 (June 2015) [For Sale]
Celestron C8-A XLT (January 2015) [For Sale]
Celestron PowerSeeker 70AZ (Christmas 2014)
Aldrich Astronomical Society member since 2015
http://astro.charleskelleystevenson.com/
Posted 01/13/2015 01:50PM #1
Richard Keppler said:

Charles Stevenson said:

Hello all, I've been Googling around and haven't had much luck. Is there an affordable alternative to the HyperStar 3 lens for an 8" Celestron? Is the lens absolutely necessary? Can something be rigged up or machined or 3D printed... Gorilla tape? ;-)

I think you posted this in the wrong section. There must be a Comedy forum somewhere.

LOL. I'm glad you got a good laugh out of it. Touché wink I did mean it as a serious question. Is there an alternative product to the HyperStar 3 for the C8? I find it hard to believe there are so many manufacturers of EPs, filters, dew heaters, mounts, tripods, cables, dovetails, finderscopes, etc., etc. and only one offering for a FASTAR C8 camera hookup.

~ Charlie Stevenson

8" f/5.7 String Telescope - 1st Scope Build; 2nd Place Stellafane 2016 Optical Award for Newtonians 12.5" and Smaller
10" f/4.5 Newtonian (June 2015) mirror refigured by Optic Wave Labs P-V WaveFront 1/14.24, Strehl Ratio 0.993 (Aug '15)
Criterion RV-6 seems to be circa 1973 (June 2015) [For Sale]
Celestron C8-A XLT (January 2015) [For Sale]
Celestron PowerSeeker 70AZ (Christmas 2014)
Aldrich Astronomical Society member since 2015
http://astro.charleskelleystevenson.com/
Posted 01/14/2015 03:30PM | Edited 01/19/2015 01:32PM #2
Celestron made their own Fastar lens systems prior to Hyperstar but discontinued these about 10 years ago. One came up for sale on A-Mart recently (ad 875809) for $250. You might be able to find another one with a "wanted" ad.

Good Luck, Tom