Giới thiệu Alwaysonline 60‑90mm Solar Filter Film Tube for 60/70mm/80mm/90mm
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1. Using PET+aluminum foil coating, strong and durable, not easy to break, long service life. 2. Protect your eyes and safely observe the sun, sunspots, solar eclipses and planetary transits. 3. The high‑density coating provides the true color of neutral white in sunlight. 4. Do not look directly at the sun without the protection of the solar filter. 5. Suitable for 60/70mm/80mm/90mm , a bmust‑have to safely observe the sun.
Specification: Item Type: Solar Filter Material: PET+Aluminum Foil Coating+ABS Color: As Picture Shown Interface Size: Approx. 60mm/2.4in, 70mm/2.8in, 80mm/3.1in, 90mm/3.5in Film Diameter: Approx. 100mm/3.9in Objective Lens Cover Diameter: Approx. 120mm/4.7in Weight: Approx. 75.0g/2.6oz Fit for 60/70mm/80mm/90mm How to use: 1. Use the film to face the sun, check to see if there is light leakage, if there is light leakage, it is strictly forbidden to use 2. After the detection is completed, put the film cover on the light inlet, check the fixation, and measure the light at the eyepiece after it is intact, and the operation can be performed without abnormal light. 3. During the observation process, the membrane cover should not be moved by the nearby personnel.
Package List: 1 x Solar Filter3 x Screw
Note: If the product film is damaged, do not use it to prevent eye damage.