Description 100% brand new, high quality Name: Solar Filter Cover diameter: 50mm Frame material: plastic Film material: PET+aluminum foil coating Fixed diameter of cans: 46.5mm Through hole: 36mm Bard film density: 5.0 Note: This filter is outside the bellows hole Suitable for: Datyson 70400, Gazer LT70, and telescopes with 46.5mm holes in the front cover. Features: This solar film is actually a solar filter, but it is different from the traditional solar filter (Bad film). Its real name is "PET Coated Aluminum Foil Film" The main difference from traditional Bard movies is that the sun looks red on him, while traditional Bard movies look like gray suns. At the same time, the solar film is not easy to damage and is suitable for long-term use in natural environments, especially when taking pictures without fear of wind and rain. Notice Astronomical telescopes must be equipped with solar filters to observe the sun. Otherwise it will damage the eyes and the instrument. If the product film is damaged, do not use it to prevent damage to the eyes. Quality first, provide the best service. Customers are our friends. Notes: 1. Please allow slight chromatic aberration in the photo 2. Due to manual measurement, the size may be deviated Package Included: 1pcs solar filter