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Updated 11/19/24

 

 
Dobsonian Goodies

Apertura/GSO motion/stability fix.

Apertura setting circles prototype
EZ adjust setting circles.
Height adjustment stands

 


Image Sharpening Masks
 
Visual: Fix turned down edge.     
Imaging: Remove mirror clip flare.
  

Custom Mirror Cells
for 6" to 13.1" mirrors.

Optimized support points.
Removes mirror-clip flarirng.

Imaging back-focus fix cell.
Eliminates mirror-clip flaring.

 

Clamshell & Rotating Rings

For Dobsonian mounts
.
For Equatorial mounts
.
 
 
Favorite Links

Adventures In Deep Space
Golden State Star Party
Equatorial Platforms
 

Imaging back focus fix mirror cell.
Moves your mirror cell back, eliminates extending at the focuser which reduces torque on OTA.
Integrated mirror mask eliminates clip star flares.



Cell shown separated from focal length extender.
Attached view.
Assembled top view.
Assembled back view.
 
"Just got in from a three and half hour session outside. Went wonderfully!

This new mirror cell collimates much, much easier than the stock cell. I had no difficulty getting the scope well collimated. And I either had a night of great seeing, or these modifications have significantly improved the image quality that I'm getting from the scope." - Mike J. 

    
Reposition the primary mirror with this tube extender cell.

Custom designed to your preferred distance back, attaches to OTA using your tube's existing bolt holes. Collimation bolts allow fine tuning. Cells are flat black.

Integrated mirror retaining ring eliminates star flaring (compare before/after). Mirror support point positions calculated to provide optimal support/performance.

For up to 10" imaging Newtonian telescopes. After receiving your order we will e-mail dimensional questions for designing the cell. After designing we provide a design PDF showing dimensions, for your review and approval.

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