The Nitecore NFG25 Green Filter is an optical accessory designed to fit compatible Nitecore torches with a 25.4mm bezel diameter. It is designed to improve visibility in low-light environments while maintaining natural night vision awareness.
Improved Low-Light Visibility
The green filter produces a clear, low-glare beam that helps improve contrast and detail recognition in dark conditions.
It can be used for:
- Wildlife observation
- Navigation
- Low-light tasks requiring controlled illumination
Optical Lens Construction
The NFG25 features a double-sided mineral-coated glass lens designed for:
- High light transmittance
- Heat resistance
- Clear light output without distortion
Flexible Rubber Frame
The frame is made from high-strength rubber and is designed to fit torch heads up to 25.4mm in diameter.
It also provides:
- Impact resistance
- Secure attachment to compatible torches
Practical Design
The filter includes a lanyard attachment hole for convenient carry.
When the lens is removed, the frame can also be used as a bezel protector.
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Nitecore 25.4mm Green Filter NFG25
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