2 Sizes

Svbony 1.25'' collimator with an 2'' adapter allow anyone easily collimate 1.25'' and 2'' reflector telescopes.

7 adjustable brightness levels

Aim at the target anytime, anywhere,even during the daytime can also be used normally.

7 settings of brightness is useful and easier on the eyes and great for different areas of light.

Replaceable Lithium Battery Included

You can use it directly once you get the item and do not need to buy battery separately.The collimator is much safer for your eyes than others because of less than 5mw output power.

Easy to target

It is very easy to simply look at the laser target and adjust the telescope until the red dot is centered. No need to keep looking at the cap in the telescope's eyepiece.

Triple cemented of lens

Triple cemented lens is composed of two pieces of high refractive index lens glued with one piece of low refractive index lens, which reduces the distortion and spherical aberration of light ; very suitable for the focus of collimated beams.

Durable

Metal material body,non-deformed, stury and durable.one time purchase for long term use.