4"x4" Solar Filter Sheet for Telescopes, Binoculars and Cameras
- These sheets are a quality product of Thousand Oaks Optical, Arizona, a manufacturer of safe solar filters for over 30 years. "Stronger than Mylar with the filtering properties protected within the substrate. Guaranteed five years."
- Black polymer is the most common filtering material for observing sunspots and granulation, through telescopes and binoculars.
- WARNING: ALWAYS MAKE SURE THE FILTER IS WELL ATTACHED TO THE TELESCOPE/BINOCULARS, USING STICKY TAPE, TO KEEP IT FROM FALLING WHILE OBSERVING!
- The sun will appear in a natural orange color when viewed through your telescope using this filter.