The AstroTrac TT320, a revolutionary new astronomy product! Ever wanted to get outside, and take some long exposure sky images with your Digital SLR, or observe with a small telescope, but didn't feel like lugging heavy or awkward equipment around and spending ages setting up? Concerned about airline luggage restrictions? Are you looking for the ultimate in lightweight, high quality, accurate, portable tracking? If the answer is yes, then the AstroTrac TT320 is designed with you in mind. The TT320 tracks the motion of the stars for up to 2 hours with high accuracy, eliminating the usual star trails in fixed long exposure images of the night sky or the need to constantly re-adjust your manual Alt-Az mount. You can, with this very light and stable mount, build up your astrophoto exposures over a few minutes, revealing the deeper structure and beauty of the sky. It's the perfect product for anyone interested in wide field imaging with a camera and lens, a spotting scope, or telescope or for anyone wanting to do visual observing using magnifications ranging from low to high power. Because it's small and portable enough to fit into your camera bag or suitcase or accessory case, you can take it anywhere you can take a camera and tripod, without the weight, awkward shape, and inconvenience of an equatorial mount. Photos taken with AstroTrac TT320 [click to enlarge] [click to enlarge] [click to enlarge] [click to enlarge] [click to enlarge] [click to enlarge] [click to enlarge] [click to enlarge] To sum it up, the basic advantages are: 5 min setup time extreme portability outstanding stability & quality low error tracking use standard photo tripods & heads works in both hemispheres Polar alignment capability (optional) Other features: CNC machined to very high tolerances All high quality components Each unit is individually calibrated for tracking accuracy High quality circuit boards Anodized finish Exceptionally easy to use POLAR SCOPES: The polar scope can be used in the Northern and Southern Hemispheres. It is illuminated and wireless.

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AstroTrac TT320

If you require additional parts to complete your AstroTrac TT320 set-up and do not want to purchase the Starter Kit, we offer the following products:

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Manfrotto Accessories

We also offer T-rings, T-ring to focuser and other photo accessories:

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T-rings and other Photographic Accessories

Try this power cord upgrade. Robust, 36" coiled, rectractable, 15' extended, fused.

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Power cords

Quick setup & easy to use: For visual observing or wide field astro photography, you simply centre the Pole Star (Polaris) within the polar scope (described below). Polaris is a bright star visible due north, and a 5 min setup time is easily achievable. The TT320 features an integral, magnetic polar scope arm, which works best with AstroTrac's optional magnetic polar scope. Other manufacturer's polar scopes may be used but users of the TT320 must be aware that polar alignment accuracy will become an issue. As well, a small hole located on the side of the polar arm will have to be tapped to take a thumbscrew. This thumbscrew is what would be used to hold a non AstroTrac polar scope in place. For high accuracy tracking, critical with focal lengths of 200mm or more, we recommend the drift align method of polar alignment. Please click here to view a streaming video that shows how easy and convenient it is to set up the AstroTrac. Ultra portable: At about 1.3kg and about 18 inches long, the TT320 folds neatly into carry-on luggage, and most camera bags. Use standard photo equipment: With standard 3/8" photo threads on each side, all you need is a photo tripod, a photo tripod head* to tilt it on the polar axis, and another pan/tilt head to point your camera at the sky. That means you can use your existing standard photo equipment to get up and running quickly and easily. See the FAQ below for recommendations. Accuracy, Stability and quality: Precision CNC machined to the highest tolerances, the TT320 is equivalent to a 24" diameter worm gear. Preloaded bearings are used, to provide smoothness under load. Correctly balanced, the TT320 will carry a surprisingly large load of 10kg. Aluminium and stainless steel are used throughout for lightness, strength and corrosion resistance. Polycarbonate shields (also used for bullet proof glass), protect the drive mechanism from damage. The motor and screw are custom made in the US to specification, for a tracking resolution of 0.3 arc seconds. Worldwide use: If you cross the equator, simply unfold the TT320 drive panel anti-clockwise for the Northern Hemisphere and clockwise for the Southern Hemisphere. For visual observing too: Why not use the TT320 for smooth viewing comfort at higher powers! Just use an Alt-Azimuth mount, such as the Stellarvue M1, William Optics EasyTouch or Tele-Optik Giro Mini with standard 3/8 threaded bases. Imagine having this level of portability, but with tracking too! Specifications: Weight: 1.3kg Load capacity: 10kg (22lb) Operating voltage: 12v DC Operating current: less than 0.5 A Size: (stowed) 450x75x40mm Introducing the New AstroTrac Starter Pack The Starter Kit contains everything you need to start taking great shots of the night sky. Just add your digital SLR camera and lens. With a total weight 4.5 kg, you can take the AstroTrac Starter Kit just about anywhere with you. Save over $120.00 compared with the cost of buying the components separately! The Starter Kit includes: 1 x AstroTrac AT1 Aluminium Tripod 1 x AstroTrac PT1 Pan-Tilt Head 1 x AstroTrac TT320 1 x AstroTrac Polar Scope 1 x AstroTrac BH1 Camera Ball Head 1 x 8 AA Battery Holder & Lead (8 x AA batteries not included) [click to enlarge] AstroTrac FAQ: Q: What mounts and heads are recommended? Using a geared tripod head beneath the TT320 allows you to make fine adjustments while looking through the polar scope for more accurate polar alignment. We recommend models such as the Manfrotto Junior 410 Geared Head for camera and lens use (3kg), or the 405 Pro geared head (up to 7.5kg including the TT320). For mounting the camera and lens on top of the TT320, as well as small telescopes, you can use Ball or pan/tilt tripod heads as needed. For telescope mounting, we recommend astronomy Alt-Azimuth mount heads such as the Tele-Optik Giro Mini or the Stellarvue range of similar mounts. For use of dual telescopes or up to 4" scopes, the William Optics EasyTouch head is recommended. We recommend the Manfrotto 475 tripod range or equivalent for good stability and field use, or the William Optics wooden tripods for additional vibration dampening properties. Q: How do I use it? Just flip open the drive and a green light displays, showing you're ready to start. To start tracking, simply press the Play button. The unit beeps and the status LED flashes green. During the last 10 minutes of tracking, the unit beeps and the flashing speeds up. After two hours tracking stops and the LED lights red. To reset the unit ready to start again, press Rewind The LED flashes red, then lights green on reaching the start position. The LED brightness and beeper volume buttons have 5 positions, including off. With 4 buttons it's extremely easy to use in the dark. In fact, it's the easiest tracking device we have ever seen, period. Q: How does the AstroTrac TT320 work? The AstroTrac drive uses a patented mechanism to turn the telescope on the polar axis of the earth, at exactly the same rate the earth spins. The AstroTrac accepts standard Polar Scopes (just contact us if you need one). Polar scope are tiny telescopes, showing an illuminated star map against the sky background. By lining up the dots on the map with bright stars (Polaris in the Northern Hemisphere), polar alignment can be achieved in minutes. That's why we recommend a geared tripod head, so you can make small adjustments to get things lined up. The more accurately you align the Astrotrac on the Celestial Pole, the better the tracking accuracy. For super accuracy, and very long exposures, you can use the drift align method. Q: OK, I want one, how do I get it? Kendrick Astro Instruments has the Canadian exclusive and ships to our US customers from our New York State warehouse. We will begin shipping in June 2007. Order now to be amongst the first to own this amazing new product.

Closed position [click to enlarge] Start position [click to enlarge] End position [click to enlarge]