Model Number: S-DLP-0731 Brand Name: OEM Key Specifications/Special Features: 37mm CPL filter circular polarizer lens filter with cap for GoPro Hero 4/3+/31) The amazing novelty for GoPro Hero3+/Hero3. This filter could limit the reflection from non-metal surface such as water and glass windows2) Using the filter, the colors shall become brighter and clearer and the contrast shall be strengthened3) Armed your Hero, share your world4) Model: material: glass, plastic5) Compatible brand: GoPro
6) Compatible models: Hero 3+/3

7) Lens diameter: 37mm

8) Anti-shake: no

9) Viewing angle: 135-170°

10) Focal distance: 0cm

11) Dimensions: 1.46 in x 1.46 in x 0.87 in (3.7cm x 3.7cm x 2.2cm)

12) Weight: 0.81oz (23g)