[Lightweight Compact]: EASY TO Place and Use Without Taking Extra Space.
[Reduces Light Pollution]: Helps to make Safer and More Accurate Observations in Astronomical Telescopes.
[High- transmittance Filter [High-Accuracy Production]: CNC Process Ensures Size and Color Uniformity to High Standard.
[Aluminum Alloy]: Made of High-Quality Aluminum Alloy for Durability and to Scratches and Deformation.

SPEC:

Item Type: Telescope Filters used for astronomical telespoScopes.
Filter size: approx. 50.8mm/2in

Section Parcel list:
1 x telescopic filter
1 x Storage box