SVBONY SV121 Laser Collimator Next Generation Adjustable Deluxe for Newtonian Reflector Telescope Astronomy
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Brand Name: svbony Origin: CN(Origin) Type: Monocular Model Number: SV121 Laser Collimator: Next Generation Adjustable Deluxe: hot sale SVBONY: for Newtonian reflector Telescope Wavelength: 635-655nm Output Power: less than 5mw for: Newtonian and SCT reflector telescopes Power supply: 3V CR2032 button battery (included) 2 inch adapter: for telescope professional telescope: best price Good for use: Can be used indoors