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Large Curved-vane Telescope Spider


This is a special spider, designed to minimize / eliminate  visible diffraction patterns. It is made primarily of aluminum, making it lightweight. The unique center bolt, Spring, and Tensioning Nut, make collimation simple and easy while allowing a large range for adjusting.

It also features:

bulletEasy Front Access to Collimation Screws
bulletConstant tension of diagonal to Collimating Screws
bulletLight weight aluminum block and vanes (1 inch tall by 1/16 thick)
bulletThis Curved Vane Telescope Spider comes with the secondary holder.
  Minimum Maximum
Diagonal Size 1.4 inch 2.5 inch
Spider Size 8 inch 14 inch

Regular price: $99.95

Secondary Size and Type
Inside Diameter of Tube