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Baader Laser Collimator Mark III
Baader Laser Collimator Mark III
Baader Laser Collimator Mark III
Baader Laser Collimator Mark III
Baader Laser Collimator Mark III
Baader Laser Collimator Mark III

Baader Laser Collimator Mark III

by Baader Planetarium
SKU BAA-2450343
CA$143.00 - CA$143.00
CA$143.00
CA$143.00 - CA$143.00
CA$143.00
Price Match Policy!
  • Precision Laser Collimator for Reflecting Telescopes
  • Simplifies Secondary and Primary Mirror Alignment
  • Enables Fast Collimation in Low-Light Conditions
  • Designed for Newtonian and Dobsonian Telescopes
  • Improves Image Contrast and Sharpness
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • Baader Laser Collimator Mark III

    The Baader Laser Collimator Mark III is an essential tool for any reflecting telescope owner, designed to achieve precise optical alignment quickly and intuitively. By providing an accurate, visible beam, it removes the guesswork from adjusting your primary and secondary mirrors. Proper collimation is the single most important factor for achieving sharp, high-contrast views, and the Laser-Colli Mark III makes this critical maintenance task straightforward, even for beginners.

    Fast, Precise Newtonian Collimation with the Laser-Colli Mark III

    This collimator streamlines the two-step alignment process for Newtonian telescopes. Once inserted into the focuser, the laser beam projects onto the secondary mirror and then to the primary. Your first adjustment is to tilt the secondary mirror until the red dot is centered on your primary mirror's center mark. The second step is to adjust the primary mirror's collimation screws until the return beam travels back from the primary and enters the viewing port on the collimator. This simple, visual feedback system allows you to achieve near-perfect alignment in minutes, ensuring your telescope delivers its maximum possible resolution on planets and deep-sky objects.

    Laser vs. Manual Tools: Why the Mark III is Faster

    Compared to traditional collimation tools, a laser offers significant advantages in speed and ease of use, especially at night. While tools like Cheshire eyepieces are effective, they rely on ambient light and can be difficult to interpret in the dark at the observing site.

    • Speed and Efficiency: The Baader Laser-Colli Mark III provides instant visual feedback, allowing you to make adjustments and see the results in real-time without moving back and forth to the eyepiece.
    • Low-Light Usability: Unlike a Cheshire, the laser generates its own light, making it the ideal tool for quick alignment checks and adjustments in the field, long after sunset.
    • The Trade-Off: The primary limitation of any laser collimator is that the laser itself must be perfectly aligned within its housing. It's critical to periodically check the collimator's own alignment to ensure it remains a reliable reference.

  • What type of telescope is the Baader Laser Colli Mark III designed for?

    The Baader Laser Colli Mark III is specifically designed for aligning the optics of Newtonian reflectors, including most Dobsonian telescopes. It is the most effective tool for setting the secondary and primary mirrors in these designs.

    How do I use the Baader Laser Colli Mark III to align my 8" f/6 Dobsonian?

    First, insert the Laser Colli Mark III into your telescope's focuser. Adjust the secondary mirror until the laser dot hits the exact center of the primary mirror's center spot. Then, move to the back of your telescope and adjust the primary mirror collimation knobs until the laser beam reflects off the primary and travels back into the aperture of the collimator. This two-step process ensures the optical path is correctly aligned for sharp views.

    Can I use the Baader Laser Colli Mark III for a Schmidt-Cassegrain (SCT) or a refractor?

    No, this tool is not suitable for collimating most SCTs or refractors. SCT collimation involves adjusting the secondary mirror while observing a star, and refractors rarely require user collimation. The Laser Colli Mark III is engineered for the specific geometry of Newtonian reflectors.

    How can I check if my Baader Laser Colli Mark III is properly collimated?

    To check the collimator's own alignment, place it in a V-block or a very steady focuser and project the beam onto a distant wall. Rotate the collimator in the V-block. If the laser dot on the wall stays in one place, it's collimated. If the dot draws a circle, it needs adjustment using its built-in alignment screws.

    What is the advantage of the Baader Laser Colli Mark III over a simple Cheshire eyepiece?

    The main advantage is speed and use in the dark. A Cheshire requires a light source to illuminate its crosshairs and can be hard to see through at night. The Laser Colli Mark III generates its own light source, providing immediate and unambiguous feedback, which makes it much faster for field adjustments.

    Do I still need to star test my telescope after using the Baader Laser Colli Mark III?

    While the Laser Colli Mark III will get your alignment very close to perfect, a star test is the ultimate confirmation of optical alignment. For critical planetary imaging or high-power viewing, it is best practice to use the laser for coarse alignment and then perform a final, fine-tuning star test on a night of good seeing to achieve the best possible image.

  • Net weight (kg) 0.09
    Compatible telescopes Schmidt-Cassegrain, Newton
    Outer Connection (lens sided) ø 1¼" (31.75 mm)
  • Baader Planetarium Warranty Policy