OPTOLONG 82Mm Diameter Clear Sky Filter Light Pollution Filter Monocular Telescope Visual Enhance Filter
OPTOLONG 82Mm Diameter Clear Sky Filter Light Pollution Filter Monocular Telescope Visual Enhance Filter
- Application: Camping
Precise details:
Specifications:
Brand |
OPTOLONG |
Item |
Clear Sky Filter |
Size |
82mm |
Suitable for |
Use under 3-5 light hazards |
Plastic box material |
PP material |
Box liningmaterial |
High pressure white EVA material |
Applicable Target:
- Wide angle shooting of starry skies in all seasons in an environment with slight light pollution;
- The camera is capable of shooting city night scenes in light-polluted environments.
Manufacturing Process:
- High-precision double-sided polishing - ensuring substrate parallelism better than 30" and face shape better than λ/4.
- Ultrasonic cleaning of pure water - using 13 tank cleaning process, effectively remove impurities and dust from the substrate surface.
- Ion source-assisted coating - optimizes film density, firmness and uniformity, effectively reducing temperature drift.
- Rigorous quality control - each filter is photometrically spectroscopically verified and laser interferometer type-checked.
Package included:
1 * OPTOLONG 82mm Clear Sky Filter
| Application | Camping |
