Curved spider vanes No diffraction spikes on stars and the ultimate in contrast for planetary work!
Pierre Schmid with 12.5 inch scope observing in the warm tropical breezes of Bonaire. (Netherlands Antilles in Carribean. It's a tough life but somebody has to do it).
Pierre's scope with Argo Navis digital setting circles mounted on the Stalk, observing chair, and the dark skys of Bonaire.
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.
The Obsession 12.5 f/5 is a premium telescope for observers that want the best of all worlds.
Medium Aperture, fantastic f/5 images, no diffraction spikes!
Crisp images at f/5 so no coma corrector needed.
Super compact size that can be hauled in any car.
Ease of use second to none.
Full thickness primary for perfect images.
Curved spider vanes for views like an apochromat and no diffraction spikes.
Fully compatible with the powerful Argo Navis digital setting circles.
Fast set up with no ladder needed.
Nearly everyone can observe with their feet on the ground! In fact sit down astronomy is possible for nearly half the sky. Ideal for star parties, public viewing events, schools or anyone that wants a premium telescope.
Views better than anything on the market of similar aperture. Best of all it's an Obsession with our famous quality and design at a fantastic price.
Obsessions are built with premium diffraction limited optics from Galaxy and OMI (Optical Mechanics Inc.).
Only OMI supplies mirrors for our 12.5".
Obsessions are also available without optics if you already have your mirrors. Call, fax, or email for price and delivery.
Standard Options and Accessories: click to expand / collapse
Choose from four great focusers
The JMI EV3 comes standard on all Obsessions. Or upgrade to the EV1, or EV1 with motofocus, or the awesome Feathertouch by Starlight Instruments. See the Focuser Options page for more focuser options
Wheel Barrow handles Comes standard on all Obsessions 15" through 25" at no extra charge. They're optional on the 12.5".
Primary Mirror Coating
Enhanced Aluminum - 96% reflectivity, with dielectric overcoat (a supreme coating) standard on all primary mirrors.
Secondary Mirror Coating
An Obsession exclusive - Super enhanced Brilliant-Diamond is standard on all Obsession secondary mirrors. This premium multi-dielectric coating has 98% reflectivity at 550 nm. The ultimate coating for the deep sky obsessed. This coating is standard on all Obsession secondaries at no extra charge. Brilliant-Diamond is just one of the reasons Obsessions out perform all others.
With 96% enhanced on the primary and our standard 98% Brilliant Diamond secondary, the optical system is equivalent to an extra 2" of aperture!
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. learn how
Argo Navis digital setting circles with super res 10K encoders. more info
Counterweight kit - (you supply the lead shot or sand) Recommended if you intend to use heavy barlow/eyepiece combinations, a Paracorr coma corrector, a traditional finderscope, or the Argo Navis digital setting circles.
Dew heater for secondary mirror - 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 to prevent dewing or icing. more info
Ordering Information: click to expand / collapse
A Deposit is required to place an order ($1,500 for 12.5").
You can e-mail your order, or mail it with the deposit.
With your order, please list any options and/or accessories you want, your mailing address, e-mail address if any, and phone number(s).
After we receive it, we will send you an order confirmation letter.
Delivery is usually 1 to 2 months from time of order.
Please e-mail for current delivery times.
Balance due prior to shipment.
Prices do not include shipping and crating. We ship throughout the world via UPS.
Any questions, please call or e-mail.
NOTE 10% order cancelation charge.
Need more information?
E-mail your postal address and we'll send you the Obsession brochure and video at no charge.
