H&Y Filters HD MCR PureNight Filter - 77mm 72 Camera Bags By increasing your aperture or

By increasing your aperture or slowing your exposure time

By preventing the dominant wavelengths of light associated with the color of those lamps from being recorded

Various power supply possibilities: by a built-in lithium ion battery

studio work

and it can be locked in any position

H&Y Filters HD MCR PureNight Filter - 77mm 72 Camera Bags By increasing your aperture orH&Y Filters HD MCR PureNight Filter 77mm Key Features Reduces Light Pollution in Night Sky Absorbs Yellow Sodium Vapor Light Absorbs Yellow Mercury Vapor Light Absorbs Yellow Light from Low CRI LEDs 2x Filter Factor, +1 Stop 9 Layer Multi Coating, Optical Glass Aluminum Alloy Filter Ring 77mm Front Filter Threads Plastic Case The 77mm HD MCR PureNight Filter from H&Y Filters is designed to reduce the appearance of light pollution in images or video