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58mm ultra-low reflection UV filter, thin black frame, clear B270 glass

7artisans

7artisans 58mm ULR Ultra-Low Reflection MRC UV Filter

SKU CH-XJC4-MNX6G

A 58 mm UV filter with B270 optical glass, 99.6% light transmittance and 0.1% reflectivity in a 3.8 mm frame

  • B270 optical glass delivers superior clarity and durability
  • 6% light transmittance produces bright, crisp images
  • 1% reflectivity minimizes glare for vibrant, accurate photos
  • 8 mm thin frame prevents vignetting on wide-angle lenses
  • 8H-hardness nano coating resists scratches, water, oil and mildew

Purpose and Fit

The 7artisans 58mm ULR Ultra-Low Reflection MRC UV Filter fits 58mm threads and serves photographers who want lens protection without degrading image quality. It uses B270 optical glass with a multilayer nano coating to maintain clarity for 4K and 8K video work. Buyers who need a different thread size or a circular polariser should look elsewhere.

Sustained Behaviour

The coating stack keeps reflectivity at .1% and light transmittance at 99.6% even after repeated cleaning, so contrast stays consistent during long shooting sessions. Hardness exceeds 8H, resisting scratches from dust and frequent wiping. The 3.8mm thin frame prevents vignetting on wide-angle lenses throughout extended use.

Interface Limits

The filter mounts via standard 58mm front threads, adding only 3.8mm of depth to the optical path. Double-sided waterproof and oil-proof layers shed moisture and fingerprints, but the glass itself has no electronic contacts or data interface. It cannot communicate with the camera or alter exposure metadata.

Highlights

  • B270 optical glass delivers superior clarity and durability
  • 6% light transmittance produces bright, crisp images
  • 1% reflectivity minimizes glare for vibrant, accurate photos
  • 8 mm thin frame prevents vignetting on wide-angle lenses
  • 8H-hardness nano coating resists scratches, water, oil and mildew

Specifications

No published specifications for this item yet.

Questions about this item

How much light does the 99.6% transmittance filter actually let through during all-day shooting?

The filter transmits over 99.6% of incoming light, so exposure stays virtually unchanged even during extended sessions.

What thread size must my lens already have for this 58mm filter to mount directly?

Your lens needs a 58 mm front filter thread; the filter screws straight onto that thread with no step-up ring required.

Will the 3.8mm thin frame vignette on my older wide-angle zoom at its widest setting?

The 3.8 mm frame is designed to avoid vignetting on wide-angle lenses, so older zooms should stay corner-to-corner clean at their widest focal lengths.

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