Precision astronomical telescopes and mountings
30 Years Proudly Serving the Astronomical Community
Parallax Instruments, Inc., founded in 1991, is a full-time business devoted to the manufacturing of large precision astronomical telescopes, equatorial mountings, aluminum tubing, piers, and the world's most extensive selection of tube rings. Armed with a fully equipped machine shop, we are capable of turning out just about any custom job.
Parallax Instruments has produced some of the finest observatory instruments, each carefully engineered and built for function and precision. Please contact us with your requirements and/or questions.
Contact and PayPal: parallaxinstruments@gmail.com
Every instrument made to order in our own machine shop.
Over 30 different sizes of telescope tube mounting rings, from 3" to 24" diameter, including many metric sizes. Custom sizes available, and drilling and tapping to your specification at no extra charge.
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The ultimate in structural rigidity — we now offer our custom steel observatory piers.
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Apertures of 10", 12.5", 14.5" and 16", built to your chosen focal ratio — from F/4 to our high magnification planetary F/10.
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Very long focal lengths in a compact tube. Excellent for high magnification planetary and double star work.
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Large housings engineered with minimal distances between junction points, and large thrust surfaces for maximum stability and near-instantaneous dampening.
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Rolled aluminum telescope tubing for the do-it-yourselfer.
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Sturdy, transportable piers for observing away from home.
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