The Nitecore NFR40 red filter is a practical accessory designed for flashlights with a 40mm bezel, such as the Nitecore MH25Pro, MH27, EA41, and SR7. This filter converts standard white light into a soft red beam, which helps preserve night-adapted vision and reduces eye strain when operating in low-light environments. Its robust construction ensures reliable performance and easy attachment, making it well-suited for demanding situations.
Key features: • Produces red light for maintaining night vision • Double-sided mineral-coated glass ensures high light transmission and resistance to heat • Durable rubber cup for secure fit and impact protection • Compatible with flashlights featuring a 40mm head diameter • Integrated lanyard hole for convenient carrying and storage • Can also serve as protective cover for the flashlight head
The Nitecore NFR40 red filter is ideal for outdoor professionals, hunters, nature observers, tactical users, and anyone needing night-vision-friendly lighting. It is particularly suitable for activities in darkness or low-light conditions where minimizing eye fatigue and avoiding detection are important.