With removable 2 inch adapter both fit for standard 1.25 inch diameter and 2 inch diameter; red laser collimation beam with 7 brightness levels; wavelength 635-655 nm; output power less than 5mw; can swiftly and precisely collimate Newtonian telescope;
Built with metal material; CR2032 Lithium Cell battery Not include; accurate collimation in a few minutes provide a more clearer image; the telescope can be collimated by just one person;
This adjustment tool can be used in all 1.25 inch focusers; provide with precise instructions in German and English about how to adjust Newtonian telescope using this laser unit; simple to get optimum performance out of telescope;
M48x0.75 Locking Mechanism: Features a M48x0.75 female thread rotation lock ring with precise 2 inch male thread compatibility; eliminating slippage and maintaining optical alignment during extended telescope use
Industrial-Grade Sealing Standard: Manufactured using precision CNC machining to achieve thread tolerance of ±0.01mm; The components are engineered to comply with the M42×0.75 thread standard, which specifies 42mm thread Diameter and 0.75mm thread pitch