SVBONY Universal Cell Phone Adapter and Red Laser Collimator and SV135 Telescope Eyepiece Zoom 7 to 21mm for Astronomic Telescopes

SVBONY user adjustable laser collimator, Laser class IIIa, power is less than 5mW.

• Phone adapter fits eyepiece diameter from 25 to 48mm and 1.25" telescope;not fit 2" eyepieces;compatible with microscope;telescope;binoculars;monocular;spotting scope;night vision monocular and most optical device
• Phone adapter aluminum alloy shell;sturdy durable and lightweight;the phone clamp made of high strength PA plastic and features adjustable locking mechanism with a steel bolt not a spring
• SVBONY user adjustable laser collimator;allows anyone easily collimate 1.25'' and 2'' reflector telescopes;come with removable 2" adapter;built with metal material;make alignment no longer boring and time consuming
• Red laser collimator 7 brightness levels red laser beam;adjustable brightness;suit for different light conditions;amazing alignment in dark and day;so can get the better views possible from your reflector telescope
• SV135 7 mm to 21mm adjustable focal length;SV135 7-21mm zoom eyepiece equivalent to multiple eyepieces ;obtain higher magnification with short focal length;It could bring you a better observation experience in a comfortable situation with high-contrast imaging