Clyde Bone and His Two Unusual Mersenne Telescopes!

In this guest blog post, Ted Hume describes two telescopes designed and built by Clyde Bone. At first they appear to be “big-Dobs.” However, look close and you’ll note they don’t require “shaky ladders” as the final focus is through Tele Vue telescopes near ground-level. They also serve as their own finders. Read on about these fascinating instruments and how they could be yours!

Blue 20-inch, f/5 Mersenne telescope uses a Tele Vue Genesis refractor for its “eyepiece” and red 30-inch, f/5 big-brother (image shown reversed) uses Tele Vue-140 refractor. No need to climb ladders to view through these! Both scopes built by Clyde Bone. Ted Hume is at the eyepiece. Images by the author with all rights reserved.

Clyde M. Bone, Jr. (1928 − 2012) of San Angelo, Texas designed and built two Mersenne telescopes, first a 20-inch and then a 30-inch.

His career included working for the Texas Border Commission in the Big Bend area of Texas, geologist for an oil company ─ who flew a light plane to drilling sites and landed on dirt roads, science teacher at a Texas high school and in the Texas prison system. When he decided to build a Mersenne telescope, he was retired and spent a year studying optics. Then he was ready.

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Does it spark joy?

Barry’s Tele Vue collection with Tele Vue eyepieces and mounts (L-to-R): Brass Ranger with 10.5mm Plössl on Executive Mount, Pronto with 21m Plössl on Telepod mount, Oracle with 19mm Wide Field eyepiece on Panoramic mount, Tele Vue-85 with 20mm Plössl on non-Tele Vue equatorial mount, and Brass Renaissance with 55mm Plössl on a Gibraltar Mount. Image © Barry Kawa with all rights reserved.

Tidying means taking each item in your hand, asking yourself whether it sparks joy, and deciding on this basis whether or not to keep it. Marie Kondō, Japanese organising consultant and author

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