Mainly Used for Tourism Business Visits Bird Watching Outdoor Camping Concerts Etc.
Bka4 Prism: the Spot Light Transmittance is High the Picture is Transparent Clear and Bright.
Fac Broadband Green Film: It is Made of Alloptical Glass and Has a Very Strong Transparency. Reduce Eye Fatigue
Ultrahigh Transmittance Doublesided Broadband Coating the Average Transmittance in the Spectral Range of 400 Nm to 600 Nm Exceeds 99.5%
Wideangle Design: Builtin Wideangle Design the Area That Can Be Observed is Wider