Battery not included. Please purchase CR2032 battery separately. Technical Specifications • Barrel Size: 1.25 inches (includes 2-inch adapter) • Laser Color: Red • Brightness Levels: 7 • Lens System: Triple Cemented Lens • Housing Material: Metal • Weight: Approx. 0.07 kg • Compatible Telescopes: Newtonian Reflectors, Schmidt-Cassegrain Telescopes (SCT) When to Use It • Pre-Observation Check: Quickly verify and adjust collimation before every observing session for optimal performance. • After Transporting Your Telescope: Even a short car ride can knock your telescope's mirrors out of alignment. This collimator lets you restore perfect collimation in minutes. • Astronomy Education: An excellent tool for beginners and students to understand and practice the important skill of telescope collimation.

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