           
Free Obsession DVD product Video
To obtain a hard copy of Obsession literature including our 120 minute product video, e-mail your POSTAL address, or fill out this form and we'll mail it to you at no charge (World-wide).
The video is great for determining which aperture is best for you.
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Argo Navis™
Digital Setting Circles
with Super Res 10K encoders:
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ServoCAT
Goto Drive System
Servo Drive Computerized Astronomical Telescope
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 The Argo Navis™ Digital Telescope Computer (DTC) brings not only accurate positioning information to your telescope but also provides an enormous detailed database of tens of thousands of celestial objects. Stars, asterisms, galaxies, globular clusters, open clusters, planetary nebula, nebula, planets, asteroids, comets, earth-orbiting satellites and more.
Magnitudes, surface brightnesses, object sizes, common names, stellar classifications, stellar luminosity classes, double star separations, Hubble galaxy morphologies, constellation, detailed parameters of planets, comets, asteroids, satellites and a wealth of other information is available at your fingertips with a simple spin of the dial.
$850.00 installed
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 The new full featured ServoCAT will power your Obsession telescope to new horizons - and zeniths! Now you can enjoy your Obsession telescope to it's fullest potential. Coupled with the "Argo Navis digital setting circles" your scope will be tracking with ease and provide full GoTo ability. Read the features below to learn why the ServoCAT is taking over the motorized telescope market in large aperture dobs.
The ServoCAT GoTo drive with Argo Navis digital setting circles and Super resolution 10K count encoders complete system installed is:
$2,795 on the 12.5 inch Obsession.
$2,995 on the 15, 18, or 20 inch Obsessions.
$3,195 on the 25 inch Obsession
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Focusers
Choose from four great focusers. The JMI EV3 comes standard on all Classic Obsessions. Or upgrade to the EV1, or EV1 with motofocus, or the awesome Feathertouch by Starlight Instruments. (Feathertouch comes standard on 18" UC)
See the Focuser Options page for descriptions and larger photos
Super Res 10K resolution encoders
with mounting hardware / wiring harness only
installed (you have computer already):
$375
New 6mm, 8mm, 13mm and 17mm Ethos eyepieces by Televue.
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These amazing eyepieces have a 100 degree apparent field of view. You might have to turn your head to see from one side to the other as your eyeball can't move that far! OEM discounts on all Televue products when you buy an Obsession Telescope.
Email for price and delivery info.
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Barlow-Laser Collimator 2" barrel
Highly recommended. Includes 2" magnetic barlow lens and mask for the new barlowed laser collimating technique. Great visual aid and no better way to accurately align fast Newtonians.
$160
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Removable mask |
Recessed switch |
Telrad:
Telrad Sight with Quick Release Platform.
More details here.
$45.00
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7 x 50
finderscope
with amici prism and quick release finder rings installed:
$175
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12 x 80
finderscope
with amici prism and quick release finder rings installed:
$275
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Dew heater for secondary mirror
Sizes available to fit all apertures.
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Secondary mirror heating system automatically senses the air temperature and the mirror temperature, then maintains the secondary at a preset (adjustable) temperature above the ambient air temperature. Gently warms the secondary at 2-4 watts when on full. Six evenly spaced contact points for optimal thermal distribution. Uses a 9v battery (smoke alarm battery) mounted at the holder, eliminating the need for wires across the spider. No more heat ropes! On/off sensor and LED indicator included.
$75
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Ripstop Nylon light shroud
Made from 100% ripstop nylon tent fabric - not cheap cotton T-shirt fabric like most others.
Includes custom Nylon stuff sack.
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$149 for 12.5"
$159 for 15"
$169 for 18" and 18" UC
$179 for 20"
$199 for 25"
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Counterweight kit
Recommended if you intend to use heavy barlow/eyepiece combinations, a Paracorr coma corrector, a traditional finderscope, or the Argo Navis digital setting circles.
$25 (you supply the lead shot or sand)
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