Rhghfujhgy 1 Piece 60mm to 90mm Solar Filter Non-Bard Film Planetarium Sun Membrane Lens Sunspot Astronomical Telescope Cap Black

Warning: Do not use the product if the film is damaged, in case of eye damage. 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! 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).