Features:

• Easy to dismount.
• German SCHOTT glass, Double-sided, multi-layered Nano coating repels water and oil, which makes it easy to keep clean.
• Aviation aluminum alloy frame, ultra-light yet durable.
• Silica gel avoids scratches to the lens 
• The filter' s optical glass contains a reflection reducing coating to maintain color accuracy
• No effect on calibration and drone's balance.