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Home > Classifieds > Astromart Classifieds > Telescope - Catadioptric > Classified #210758

For Sale: Ruggedized Questar (SOLD)

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OTA model 10021, Stainless Steel, Zerodur.VHR Present Questar price
$11,300 Will consider offers UNDER $3000.

F-14.3 focal range 30 ft. to infinity.
Uses any 1-1/4" EP's
lenses availalable extending EFR's F-5.7 to F-22.8
Can be used as telephoto AS-IS with C mount
VHR silver coating +BB 15% higher throughput than standard

OTA: Stock original, fine condition, no body scratches, Corrector immaculate
mirror shows a few edge deteriorations 1-mm size. OTA since filled with ultrapure nitrogen
Highly recommend NOT to re-coat
Mirror movement, no shift

Mount: Supplied new by Meade, all Aluminum castings
modified: SS thrust & ball bearing azmuth, arc-second accuracy
Elevation axis locks on both arms
Damping added.
present astro drive is syncro motor, sufficient for visual. Internal volume
for worm or servo drive if used for astro-photo

This is an oversized mount, superior in stability by size and design, (side clamps the OTA vs cantilever) unaffected by wind

Body collar (shown) allows OTA to be attached to GEM
All work done to prof. standards. Used in defence program
Serious inquiries please: 310 793-1635
David Windisch, references available


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