142mm tube rings for Astro-Tech AT130 and TMB TMB-130 refractors, pair

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These split and hinged optical tube mounting rings are designed to fit the Astro-Tech AT130 and TMB TMB-130 Signature Series refractors, but will also work with any other refractor having a 142mm OD tube. The rings are made of solid aluminum, anodized black for long life. The 142mm (5.6”) internal diameter rings are felt-lined and have a large hand-tighten knob to lock them on your optical tube. A heavy nylon washer prevents the knob from marring the anodized finish. The rings weigh 25 oz. each.

There are five 1/4”-20 thread mounting holes on bottom of the rings for mounting on most equatorial mount dovetail plates. One hole is centered in the flat mounting boss in the bottom of each ring. It is flanked by a pair of holes on 60mm centers, and a second wider pair of holes on 80mm centers. An identical set of five holes on the top of each ring allow installing a second dovetail plate to carry accessories.

Two 16mm (5/8”) long x 1/4”-20 thread mounting hex head bolts are supplied with each ring for mounting the ring on a dovetail plate or equatorial mount using the center hole or either two of the two flanking holes.

Weight:
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3 lbs. 2 oz.
Warranty:
2 years
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Astro-Tech - 142mm tube rings for Astro-Tech AT130 and TMB TMB-130 refractors, pair

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Astro-Tech - 142mm tube rings for Astro-Tech AT130 and TMB TMB-130 refractors, pair
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Our Product #: AT142R
Price: $129.95  FREE ground shipping - Click for more info
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These 142mm split mounting rings are designed to fit the Astro-Tech AT130 and TMB TMB-130 refractors, as well as any other refractor having a 142mm OD tube . . .





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