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Clear round glass camera filter with thin metal rim

B + W Filter Company

B + W 46mm Basic 486M MRC UV/IR Cut Filter camera filter

SKU CH-YAYM-ZK5HY

46 mm interference filter cuts UV and IR light with sharp cut-off, MRC coating, no exposure increase, suited for lenses up to 60-degree aperture

  • Sharp UV/IR cut-off via interference filter technology
  • MRC coating boosts durability for permanent lens protection
  • Clear, colorless glass needs no exposure compensation
  • Prevents colour casts and blur from sensor IR leakage
  • Optimised for lenses up to 60-degree aperture angle

46mm UV/IR cut filter for digital imaging

The B+W 46mm Basic 486M MRC UV/IR Cut Filter uses interference filter technology to block ultraviolet and infrared light that can cause color casts and blurring. It is clear and colorless, requiring no exposure compensation, and suits both professional and hobbyist photographers. The filter is optimized for lenses with up to 60-degree aperture angles. It threads onto 46mm filter threads for permanent lens protection.

MRC coating maintains performance during extended

The multi-resistant coating resists scratches, moisture, and fingerprints so the filter stays effective when left on the lens for long shoots. Interference-layer construction delivers a sharp UV/IR cut-off that does not drift with temperature or humidity. Light transmission remains stable because the coating minimizes reflections across the spectrum. The filter continues to prevent sensor contamination from residual infrared transmittance over time.

Simple screw-on installation with minimal risk

The 46mm thread mounts directly onto compatible lenses without tools or adapters. Because the filter is clear and colorless, there is no need to adjust exposure settings after fitting. The main installation issue is cross-threading if the filter is forced onto damaged or mismatched threads. Users should verify their lens has a 46mm thread pitch before purchase to avoid fitment problems.

Highlights

  • Sharp UV/IR cut-off via interference filter technology
  • MRC coating boosts durability for permanent lens protection
  • Clear, colorless glass needs no exposure compensation
  • Prevents colour casts and blur from sensor IR leakage
  • Optimised for lenses up to 60-degree aperture angle

Specifications

No published specifications for this item yet.

Questions about this item

Does the 46mm Basic 486M MRC filter add heat or noise when left on the lens all day?

It is a passive glass filter with no electronics, so it generates no heat, draws no power and makes no sound during continuous use.

What thread size must my lens already have for this 46mm filter to screw on?

Your lens needs a 46 mm front filter thread; the filter mounts directly onto that thread without an adapter ring.

Will the 46mm Basic 486M MRC vignette on a vintage lens with a 60-degree aperture angle?

The filter is optimised for lenses up to a 60-degree aperture angle, so it should not vignette on such older optics.

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