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40.5mm ND64 + CPL circular filter, ultra-slim magnalium rim, German Schott B270 glass, 20-layer nano-coating

Urth

Urth 40.5mm ND64 + CPL Lens Filter Plus+

SKU CH-H79T-AEWQC

Combines 6-stop neutral density with circular polarisation on 40.5mm German B270 glass, 20-layer nano-coating, ultra-slim magnalium rim and double threads

  • German B270 SCHOTT glass with 20-layer nano-coating for durability
  • Cuts 99.9% polarized light to remove reflections and boost colour
  • ND64 density 1.8 gives 6 stops for long exposures in bright light
  • Ultra-slim magnalium rim prevents vignetting on wide-angle lenses
  • Double-threaded 40.5mm frame allows stacking or cap attachment

Professional German glass filter

The Urth 40.5mm ND64 + CPL Lens Filter Plus+ combines a 6 stop neutral density filter with a circular polariser in a single unit. It uses German B270 SCHOTT optical glass with a 20 layer nano-coating. The filter cuts 99.9% of polarized light and reduces exposure by factor 64.

Double-threaded ultra-slim rim

The ultra-slim magnalium rim prevents vignetting on wide angle lenses. Double threading allows stacking of additional filters or a lens cap. The nano-coating repels water oil and scratches for easy cleaning. Align the CPL rotation before tightening to avoid cross threading.

Check 40.5mm thread size first

Verify your lens has a 40.5mm front thread before ordering. The 6 stop density suits bright daylight long exposures but may be too dark for low light scenes. Buyers needing variable density or a different thread diameter should look elsewhere.

How it compares

Measured against everything we stock in Lens Filters & Polarizers, at today’s prices. Recalculated every night.

Price $30.99
Cheaper than about 68% of the 1,281 comparable items (median $48.99).

Specifications

No published specifications for this item yet.

Questions about this item

How can I confirm the 20-layer nano-coating is repelling water and oil after mounting the 40.5mm filter?

Splash a few drops of water on the German B270 SCHOTT glass; they should bead and roll off instantly, while fingerprints wipe away without streaks, showing the coating is active.

What comes in the box with the Urth ND64 + CPL Plus+ and what must I buy separately?

The package contains the 40.5mm ND64 + CPL filter with its ultra-slim magnalium rim and double-threaded design; you only need a 40.5mm thread on your lens or a step-up ring if your lens uses a different diameter.

Which version of the ND64 + CPL filter should I choose for a 6-stop density and 99.9% polarized-light cut?

Select the 40.5mm ND64 + CPL Plus+ model — its density of 1.8 delivers exactly 6 stops and the CPL layer blocks 99.9% of polarized light, matching those specifications.

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