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12.5 F4.8 Starmaster Clone Sold!

Price - $1,700.00

Ad Number: 202670

Posted: 30 Mar 2020

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This is a one of a kind scope. I worked for Rick Singmaster for a short time and built this scope using the Starmaster construction techniques. It is built like a 12.5 EL with a couple of exceptions; I used Moonlite truss hardware and a Novak 9 point mirror cell. It includes a Feathertouch focuser, Rigel Quickfinder, Astrosystems spider and secondary holder, Protostar quartz secondary, encoder hardware with azimuth encoder. The 12.5" primary is very smooth and highly accurate and only 1" thick with a polished back for fast cool down. The data sheet and knife edge image at radius of curvature are attached. It was made by a very talented ATM guided by Carl Zambuto on the Yahoo group. The data sheet shows .995 strehl and I can attest to the excellent high power views.. The motions are buttery smooth and it easily supports different weight eyepieces without the need for any counterweights. It has been well used and does have a couple of small extra bolt holes in the mirror box as I experimented with a couple of truss attachment ideas. Everything is very square and it holds collimation very well. It is not very heavy as I can take it in two pieces from the garage to the observing location. I take the complete tube assembly out followed by the rockerbox. I have not used it very much since I got a 14.5 Starmaster a few years ago so it is time for someone else to enjoy. It will probably cost a lot to ship but will at your expense. Pickup north of Tampa.


  • Condition Good
  • Location Weeki Wachee, FL

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