Overview: Unlike uncoated or normal multi-coated UV, broadband HD multi-coated UV filter utilizes a special coating which allows a broader spectrum of light ray topass through while effectively 'reflecting' light at both end of the spectrum. The result is a clear & sharp image which would otherwise be affected by stray/diffused light. Besides broadband multi-coating, high quality optical glass is being used in this filter that serve to protect your lens against fingerprint, dust, dirtor other unsightly residual. In addition, special thin filter frame is being used to prevent vignette when using wide angle lens & edges of the glass rim arebeing darken to further eliminate possibility of internal & stray light reflection. Main
Features: Protect lens against scratches, dust & dirt High quality optical glass Broadband multi-coating ensure gt;99% lighttransmission & eliminate reflection Glass rims are fully blacken to prevent internalreflection Thin profile filter ring with filter threads Professional matt black filter ring finishing Optics: High quality optical glass Coating: Broadband multi-coating Housing: Thin frame aluminum Mounting Diameter: 52mm to 77mm Filter Threads: Yes Specifications: Weight Approx:20g Size Approx:9 x 7 x 2