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Telescope Spider w/secondary mirror holder12" For Sale

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Telescope Spider w/secondary mirror holder12":
$29

This spider will fit a12 inch O.D.tube.(One spider only!)

• EasyFront Access to Stainless Steel Collimation Screws

• Constant tension of diagonal to Collimating Screws

• Includes Adjustment Tool

This Spider should be used with diagonal mirrors 1.25 inch or larger, if your diagonal is smaller please email me with the correct size and I will send the correct secondary holder. To make an even more exact fit to you telescope tube you can install the spider into you telescope adjust it to center and then use a hack saw and gently removeany excess threads that might stick out of the tube.Werecommend silicone rubber as an adhesive for your secondary. For more detail on mounting the secondary see

Please note that we will be closed for Vacation till 8/03/2010

Check out my other items!