CNC Manufactured AstroGoods.

  • Primary mirror masks
  • GEM tube rotating rings
  • Standard mount and altitude bearings kit.
  • Custom mounts designed to your specs.
  • Two telescopes with one mount?
  • Maks and SCT and Newts (oh my!).
  • Tripod adapt a small Grab-and-Go Dob.
  • Digital setting circles.
  • Small bearings transformed to 12 inch!
  • Small bearings fitted securely to your tube.
  • Large bearings for mirror box or big tubes.
  • Bearing supports.
  • Bearings for existing Newtonian tube rings.

Clamshell Rings

  • Newtonian mounting on an equatorial head.
  • Building a mount? Add rings and bearings.
  • Lightweight rings for smaller telescopes.
  • 6" low cost optimized.
  • 8" - 12.5" mirror optimized 6 point flotation.
  • Universal for conical or standard mirrors.

Streetlight Baffles

  • Eliminate light around your focuser.
  • Altitude and Azimuth Bearing Materials.
  • Aluminum tubes.
  • Tube end rings.
  • FRP azimuth disks and rings.

Clamshell Rings
E-Mail for shipping estimates
Interested in Rotating Rings?

Place your telescope on an equatorial head. Clamshell ring are custom designed to match the diameter of your OTA, leaving just enough room to apply a felt lining or weatherstripping. Heavy duty rings are CNC cut to your mounting plate hole pattern assuring a precise match. Prices are for up to 12" tube diameter. Small additional materials charge added for larger, which we'll quote
Heavy Duty

Light Weight
Order Clamshell Rings
Heavy Duty Kit
  $90.00
Heavy Duty Finished
$130.00
Lightweight Kit
  $60.00
Lightweight Finished
$100.00

Place Order
Options:
Tube Diameter

Kit: All parts included, wooden parts are rough sanded with 80 grit, holes pre-drilled. All parts dry-fitted before shipping. Kits may be shipped worldwide. What you'll need: Philips screwdriver, sandpaper, wood glue, adhesive backed felt to line inside of rings.

Finished: Arrive ready to use except for adhesive back felt.


Materials:
CNC precision cut 3/4" Baltic Birch plywood. Anodized heavy duty aluminum piano hinge. Steel wood screws. Clamshells open and close using a 2-1/4" thumb screw that passes through one of the top boards into a 1/4-20 brass threaded insert in the abutting board.