Nitecore NFB23 blue diffuser filter (Nitecore, SKU: FILTR NFB23) is a push-on colour filter designed for flashlights with a head diameter of 22.5 mm. It converts the flashlight's white beam into blue light. The glass lens with an anti-reflective coating supports efficient light transmission, while the PC2805 plastic frame enables the filter to be quickly attached and removed.

Key features

• converts the flashlight's white light into blue light
• designed for flashlights with a head diameter of 22.5 mm
• glass lens with an anti-reflective coating
• construction supporting efficient light transmission
• frame made from PC2805 plastic
• simple installation without modifying the flashlight
• ability to quickly attach and remove the filter

Set contents

• Nitecore NFB23 blue filter

Technical specifications

• manufacturer: Nitecore
• model: NFB23
• type: push-on flashlight colour filter
• light colour with the filter installed: blue
• nominal size: 23 mm
• compatible flashlight head diameter: 22.5 mm
• lens material: glass
• lens coating: anti-reflective
• frame material: PC2805 plastic
• installation method: attachment to the flashlight head

The Nitecore NFB23 allows a compatible flashlight to be quickly adapted for use with blue light without replacing its light source.