Size: 67 mm / 72 mm / 77 mm / 82 mm
Application: Suitable for camera accessories
Features: High quality optical glass, pure optical infrared/color spectral lens, some spectral error less than 3%, most less than 1.5%.
2.5-level polishing accuracy meets the requirements of almost no loss of image quality below 600,000 pixels. The unavoidable loss of image quality due to hot spots on the lens and machine is not included in this scope.