Jaywool 1 PCS 60mm to 90mm Solar Filter Non-Bard Film Sunspot Astronomical Telescope Lens Cap Black

Telescope accessories bud essentials of the sun watching the sun when using a telescope is not to direct the sun to the sun to see the focus burn our glasses, not directly watch the sun. Friendship Reminder: You cannot watch directly under the sun with your eye, when viewing the sun with a telescope to add a sunscreen, or professional film!Otherwise it cause eye damage! This solar filter film is suitable for 60-90mm telescopes to view the sun safely! Warning: Do not use the product if the film is damaged, in case of eye damage. The traditional film (easy to break and damage) has low cost performance. This solar film is coated with PET+ aluminum foil, which is and not easy to damage. In addition, it has been certified by (the same material as the lens of the solar observation mirror).