astrosystems

ASTROSYSTEMS

AstroSystems has long been the shining star of Amateur Telescope Makers. Since the 1990's, Randy Cunningham and Alan Poppenhagen have been creating and marketing products aimed at the ATM'er as well as the amateur astronomy community. Their completely precut and unassembled TeleKit Truss dobsonians are beautiful and easy to build following the detailed instructions included. Most often, the result is a telescope of heirloom quality. Much of what AstroSystems sells is created and built by them. Below is a sampling of the ATM parts they market. Call us for the parts you need.

1-866-598-4406
sales@astronomyshop.org

	AstroSystems Altitude Bearings from $80.00/pair 25% open back for passive cooling Integrated mounting holes for cooling system components MTS safe transport system Full flotation support "Tail-gate" mount hardware is available Stainless steel adjustable sling
	AstroSystems Primary Mirror Cell from $180.00 25% open back for passive cooling Integrated mounting holes for cooling system components MTS safe transport system Full flotation support "Tail-gate" mount hardware is available Stainless steel adjustable sling
	AstroSystems Phase 4 Focuser $149.00 *AstroSystems* has worked for over thirteen years researching and developing the most advanced focuser on the market! The Phase 4 has the best stability and weight handling capacity of any visual focuser in it's price range. The Phase 4 incorporates the smooth action of four precision ball-bearings and high draw tube loading to eliminate image shift and increase stability. High draw tube loading increases weight capacity for handling any eyepiece combinations, cameras or CCDs. *AstroSystems* has maintained the low 1.55" profile you've come to expect. Recommended for eyepieces, astrophotography and CCD cameras up to 5 pounds. Effective "cog drive" timing belt which eliminates backlash and gives positive lifting capability in any weather. The drawtube rides on precision stainless steel ball bearings. Ultra-low height allows you to optimize your secondary mirror size for maximum field illumination and contrast. Smooth, positive focusing geared 3 to 1 to give you precise focusing at any magnification. Leveling screws allow the focuser to fit any tube diameter and make collimation easy and accurate. Made in the USA of corrosion-proof materials. Strong and trouble-free. Tools, installation instructions and stainless steel mounting hardware are included. 2" - 1.25" adapter threaded for 48mm filters. Substitute the ultra-low adapter at no charge and lower the effective profile with 1.25" eyepieces to 1.05"! Lifetime unconditional warranty and a 30-day money back guarantee. Height............Minimum 1.50" (38 mm), maximum 2.7" (68 mm) Travel............1.2" (30 mm) Weight...........17 ounces (480g.) 13 ounces without adapter (360g.) Base...............3.0 x 4.4" (76 mm x 112mm) Capacity.........5 lbs. (2.3 kg.) Accuracy........0.0002"/in. travel or less side play with 2 lb. load
	AstroSystems Light Shroud from $65.00 The Lycra/Nylon blend shroud that is standard equipment on the TeleKit is available separately for retrofitting to other truss telescopes. This material will not loose its stretch and has excellent form fitting characteristics. It has a silky, semi-gloss black exterior and a flat black interior. The shrouds are fade and dew resistant and have an elastic band sew in to each end. The shroud eliminates stray light and more importantly, it keeps turbulent warm air from crossing into the optical path. Note, because of unusual design characteristics, we do not make shrouds for Obsession Telescopes 20" or over or for the Meade Lightbridge.
	AstroSystem Spiders from $35.00 Our quality heavy duty spiders use the finest materials and are built for optimum performance. Custom-made and sized for your tube, utilizing high-tensile steel TIG welded at the hub, giving the vanes extra stability. The threaded stainless steel vane tips (#10-32) are solidly TIG welded to the vanes, making this the strongest spider on the market. Astrosystems spiders and secondary holders are used by virtually all truss telescope manufacturers including Starmaster, Starsplitter, Discovery, Obsession, Spacewalk, Night Sky, T scopes, Plettstone and Osypowski telescopes.

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