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Old 15-09-2019, 08:00 AM
Tropo-Bob (Bob)
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Tropo-Bob is offline
Join Date: Sep 2013
Location: Cairns
Posts: 879
1.25" adaptor for Unitrons

I have recently donated my Unitron telescopes (and most of my 0.96" EPs) to nearby schools and have a few useful parts left over.

The adaptor is from the erecting prism that was supplied with a Carlton 60mm F7 refractor. The sleeve holding 0.96" EPs on Unitrons can be unscrewed and this adaptor will screw directly on in lieu. The attached images show the process in reverse order. The part for sale is only shown in the first two images.

Using this adaptor allowed me to use quality star diagonal and 1.25" EPs with my Unitrons. The adaptor may also replace the sleeve in Unitron star diagonals giving a second option to allow the use of 1.25" EPs.

The only concern is that the light path through the adaptor narrows to about 20mm and this restricts the usefulness of lower-powered EPs.

$39 posted anywhere in Aus.
Attached Thumbnails
Click for full-size image (75mm Unitron 006.jpg)
80.7 KB15 views
Click for full-size image (75mm Unitron 008.jpg)
88.8 KB11 views
Click for full-size image (75mm Unitron 010.jpg)
75.5 KB11 views
Click for full-size image (75mm Unitron 016.jpg)
89.3 KB9 views

Last edited by Tropo-Bob; 16-09-2019 at 11:16 AM.
Old 15-09-2019, 11:46 AM

IanT is offline
Join Date: Jun 2007
Location: Launceston
Posts: 80
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