A must-have filter set in lunar and planetary observing.
Solid construction with clean and clear optical glass which is anti-reflection coated to prevent glare and ghosting.
Effectively reduce glare and light scattering, increase contrast and definition, and lessen eye fatigue.
Double-threaded stackable filters for various combinations, allows you to create different color combinations and transmission characteristics, or to have the same color characteristic, but with a lower transmission.
Smooth filter threads, can be easily screwed into or off your telescope eyepiece.
Material: Optical Glass & Aluminum Frame
Filter Thread Size: 1.25″
Each Filter Weight: 0.15oz / 4.2g
Note: Filters ONLY. Telescope and Tripod Stand in the pictures NOT INCLUDED.