Products CNC manufactured for uniformity and precision.
Height can be designed for comfort. Kit or finished. Solid or collapsible.
Mount only, or
... with fitted alt. bearings, or
... with clamshell rings and bearings.
Soon: Standard 6" f/8, 8" f/6 mounts.
Turn 5" into 12" Big Bearings.
New: Mirror box bearing supports.
Small bearings fit to tube curve.
Large bearings for mirror boxes.
Add bearings to your
New: 6" low cost, 3 point support.
Standard 8" - 12.5", 6 point flotation.
Universal for conical
Dovetail plate mount Newtonians on these heavy duty or lightweight
Eliminates stray light.
New: Round Teflon improves motion.
Teflon altitude and azimuth pads.
FRP bearing strips, azimuth rings.
Tube end rings
Club Discount Programs
FRP azimuth rounds.
FRP azimuth rings.
Work / Who Are We?
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.
Kit: All parts included,
wooden parts are rough sanded, holes pre-drilled. All
parts dry-fitted before shipping. Kits may be shipped
worldwide. What you'll need: Philips screwdriver, 150
grit and finer sanding paper, wood glue, adhesive backed
felt to line inside of rings..
Finished: Arrive ready to
use except for adhesive back felt to line inside of rings.
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.
Payment is by PayPal or credit card via PayPal. You do not
need a PayPal account. Clamshell rings require 50% deposit.
We will e-mail a PayPal invoice for the balance due plus
shipping when your mount is ready.
For estimated shipping costs, e-mail or call with the telescope
tube diameter and mounting plate dimensions. After your
deposit is received, we will e-mail you to obtain all necessary
Dimensions include diameter or circumference of your telescope
tube, and the hole pattern and profile of the plate the
rings will attach to - the plate manufacturer's drawing
reference is very helpful.