Designed for Reflector telescope; with removable 2" 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; much safer for your eyes. This sturdy laser unit allows you to swiftly and precisely collimate your Newtonian telescope; Only when the optics have been accurately collimated can the telescope offer you its full performance
Precision aluminium housing has front opening which laser beam can be emitted for optimal adjustment; side window allow 45 degree disk with central hole to be viewed; used to see whether laser is reflected back on itself; indicate well collimated optics
The laser comes fully adjusted however further adjust if required; it has three openings for adjustment; arranged at 120°; which are initially sealed; small screw cap at the rear of the laser must be first unscrewed to allow this
Filter positions indicated by the numbers 1-5; takes any standard 2 inch filter; sturdy aluminum housing makes it suitable for heavy cameras; accessory side T2 and M48 threads; be recommended to use formal wrench purchased at a hardware store
This 2 inch filter wheel lets you use up to 5 different filters and change them within just a few seconds; you can also leave your filters mounted in the filter wheel; as they are optimally protected from dust and damage there