Telescopio Collimatore Riflettore Laser Collimazione 7 Livelli di Luminosità Astronomico
Adjust the sealed screws for easy collimation. Weight(collimator): 82g / 2.8oz. 1 Collimator. Brightness: 7. Weight(adapter): 53g / 1.8oz. Wavelength 635-655nm and less than 5mW output power for safe use.