Customer comments/photos.
updated 2/27/24


6" imaging Newtonian
extended back end.
GSO - Apertura - TPO

Includes imrpoved mirror cell,
eliminates mirror clip flares

ATM Altitude and Azimuth
Bearing Parts

Bearing Works: get everything.
Or buy individual items:
Laminate rings and strips
Teflon pads
Azimuth bolt assembly kits


Image Sharpening Masks

Primary:Fix Turned Down Edge.
Aperture: Eliminate spider spikes.

Primary: Removes mirror clip flare.
Spider: stops diffraction spikes.

Clamshell & Rotating Rings

For Dobsonian mounts
For Equatorial mounts

Rock Steady Custom Solid Mounts

Features, construction, materials, etc.

Mount Only
Mount and Altitude Bearings
Mount, Clamshell Ring, Altitude Bearings
Quote and Order Form
Prices shown apply up to 12" telescopes and vary on overly large or small requirements.
Request Quote:
Receive an email with mount/shipping costs and lead time estimate.
Request Orders:
We send you a PayPal invoice for 50% deposit, showing balance and shipping due at completion.
Your Name:
E-mail Address:
Repeat E-mail:
Shipping Zip Code:
Mount Type Choice:
See table at upper right.
Telescope Tube Circumference:
Use cloth tape measure, overlap the end.
Telescope Tube Balance Point:
1. Install heaviest eyepiece combination.
2. Add finders (optical and 1x) on tube.
3. Roll tube across broomstick for balance..
4. Mark approximate balance point with tape.
5. Measure balance point to back of tube.

Enter measurement here:

Integrated Height Stand? Desired height:
Add Setting Circles:
Special request:
Mount Type Description
RS-KM Kit Mount Only.
RS-KMSB Kit Mount and Small Altitude Bearings up to 12".
RS-KMLB Kit Mount and Large Altitude Bearings up to 18".
RS-KMCRSB Kit Mount, Clamshell Rings and Small Altitude Bearings.
RS-KMCRLB Kit Mount, Clamshell Rings and Large Altitude Bearings.
RS-FM Finished Mount Only.
RS-FMSB Finished Mount, Small Altitude Bearings.
RS-FMLB Finished Mount, Large Altitude Bearings.
RS-FMCRSB Finished Mount, Clamshell Rings and Small Altitude Bearings.
RS-FMCRLB Finished Mount, Clamshell Rings and Large Altitude Bearings.
Add manual setting circles.

Type Description
SC-AZ Azimuth Setting Circle
SC-AZ-ALT Azimuth and Altitude Setting Circle

Deposits and refunds: refunds less PayPal transaction fees before custom design drawings are completed. After drawing completion refund is less $50 plus PayPal transaction fees. No deposit refunds after parts are cut.

* Weight of mount shown, built for Orion 8".