$120.00Last catalog price, September 2008
Catalog description
Vixen Tube Rings (pair) I.D. 140mm, part number VIX113, is a discontinued product from the 2007–2011 catalog. It was last listed at $120.00, up from a low of $110.00.
Tube rings and accessory mount rings clamp onto telescope tubes to provide mounting points for accessories and mount heads. Ring models are designated by their inside diameter. Both types can be joined by dovetail tube plates on the bottom for attachment to Porta GP-Series and SPHINX (SX) mounts.
Tube Rings are sold in pairs and have 1/4-20 threaded holes on top and bottom. There are two styles of Vixen tube rings: a hinge-style and slip-on style. An optional tube ring accessory plate can be fitted across the top of the rings for additional mounting options and greater stability.
Catalog price history
| Observed | Listed price | Change |
|---|---|---|
| September 2007 | $120.00 | |
| May 2008 | $110.00 | −$10.00 |
| September 2008 | $120.00 | +$10.00 |
| September 2008 | $110.00 | −$10.00 |
| September 2008 | $120.00 | +$10.00 |
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