K&F Concept Nano-X B270 MCUV UV Filter, 40.5 mm K&F Concept

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Nano-X — UV filter 40.5 mm, protects the front element and filters ultraviolet light.

• 28 anti-reflective layers, reflectance 0.2 %
• Screws onto a lens with a 40.5 mm thread.
• The surface repels water and grease and resists scratches
• Imported Japanese AGC optical glass, 99.6 % transmittance
• Aviation-grade aluminium, CNC-machined, non-slip pattern

Protection for the front element

An MCUV filter does two jobs at once. It filters out the ultraviolet light that puts a bluish veil over distant and mountain shots, and above all it shields the front element — instead of a scratched lens you replace a filter costing a fraction. It has no other effect on the picture, so it can stay on permanently.

28 layers against flare

The glass carries 28 anti-reflective layers and reflects only 0.2 % of the light, so no ghosting or veiling appears against the light.

The surface repels water and grease, so drops run off and fingerprints wipe away without smears; the coating also stands up to cleaning in the field.

• UV filter — 1 pc
• Filter case — 1 pc
• Microfibre cleaning cloth — 1 pc

• Filter type: UV filter
• Series: Nano-X
• Thread size: 40.5 mm
• Glass: imported Japanese AGC optical glass, 99.6 % transmittance
• Coatings: 28
• Reflectance: 0.2 %
• Frame: aviation-grade aluminium, CNC-machined, non-slip pattern
• Surface treatment: water-repellent, grease- and scratch-resistant