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Cassini C-900135TR Tracker Series Reflector Telescope - Black (900mm x 135mm)

Cassini C-900135TR Tracker Series Reflector Telescope - Black (900mm x 135mm) - image 1 of 2

About this item


  • Made from glass, plastic and metal material
  • The unit requires assembly
  • Glass optics lens coating

The Cassini C-900135TR telescope is mounted on Cassini's new Tracker altitude/azimuth mount. It's easy to use up and down, left and right movement allows tracking an object with unprecedented precision using both manual macro adjustments for aiming your telescope and manual micro adjustments for precise observing and tracking. The C-900135TR includes Cassini's sturdy, fully adjustable, pre-assembled metal tripod featuring an accessory tray with slots to place 4 1¼" eyepieces or lenses and retractable rubber feet.


The C-900135TR optical tube assembly features an 900mm focal length. The large primary mirror is 135mm in diameter and in mounted in a heavy duty mirror cell with push / pull collimation screws. The finder is Cassini's Mars-Eye Electronic Finder which helps by getting the observer behind the telescope without losing the surrounding field of view when targeting objects. Included with the C-900135TR are a 1¼" 10mm Plössl eyepiece, a 1¼" 25mm Astroscopic Eyepiece, and a 2 element 3x Astroscopic Barlow. Lastly, the Cassini Stellarium CD ROM brings skies over your home or anywhere in the world.


New Cassini TRACKER mount w/Slow Motion

Vertical & Horizontal Manual Controls

900mm x 135mm Optical Tube Assembly

Diffraction limited Optical Tube Assembly (4)

Fully Adjustable Heavy Duty, Pre-assembled Metal Tripod w/Accessory Tray

Cassini Mars Eye Electronic Finderscope

1¼" Helical Rack & Pinion Focusing

1¼" 10mm Plössl Eyepiece

1¼" 25mm Astroscopic Eyepiece

1¼" 3x 2-Element Astroscopic Barlow

Cassini Stellarium CD-ROM

One Year Limited Warranty



Material: Metal, Glass, Plastic
Dimensions (Overall): 60.0 inches (H) x 36.0 inches (W) x 36.0 inches (L)
Weight: 20.0 pounds
Includes: 3x Barlow Lens, Eyepiece Storage Cases, Eyepieces, Finderscope, Tripod, Galileo Planetarium Software, Accessory Tray
Assembly Details: Assembly required, no tools needed
Optical Tube Diameter: 135.0 millimeter
Objective Lens Size: 135.0 millimeter
Optical Tube Length: 900.0 millimeter
Magnification: 90
Recommended Use: Astronomy
Features: Telescope: Accessory Tray, No Tool Set Up, 1.25" Eyepiece Compatible, Red Dot Viewfinder
Built-In Digital Camera: No
Mount Type: Altazimuth
Lens Coating: Glass Optics
Power Source: Non-powered
Warranty: 1 year limited warranty. To obtain a copy of the manufacturer's or supplier's warranty for this item, please call Target Guest Services at 1-800-591-3869.
Warranty Information:To obtain a copy of the manufacturer's warranty for this item, please call Target Guest Services at 1-800-591-3869.
TCIN: 16743201
UPC: 859773004667
Item Number (DPCI): 091-04-1186
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Guest reviews

overall: 4 out of 5 stars, see all reviews

Most recent reviews

(would recommend)
4 out of 5 stars
Nikki 11 months ago
verified purchaser
I got exactly what i ordered. I even got it a day earlier than expected.
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