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Rectangular resin filter, graduated blue fading to clear

Cokin

Cokin P123L Gradual Blue B2-Light camera filter

SKU CH-K7BG-D5CMF

A graduated blue filter that adds a subtle 2/3-stop colour boost to dull skies while leaving the foreground untouched

  • Enhances flat skies with vibrant blue tone
  • Lightest 2/3-stop density for subtle colour control
  • Hard-edge graduation suits defined horizon lines
  • Rectangular format lets you position effect precisely
  • Durable resin construction for reliable outdoor use

Cokin P123L Gradual Blue Filter

The Cokin P123L is a rectangular graduated blue filter from the P-Series system. It adds a vibrant blue tint to dull or hazy skies while leaving the foreground untouched. Landscape and outdoor photographers use it to enhance mood and depth directly in-camera.

Slides into P-Series holder

The filter slides into a standard Cokin P-Series filter holder that mounts on the lens via an adapter ring. Its rectangular shape lets you slide it up or down to align the hard-edge transition with the horizon. Resin construction is lighter than glass but scratches more easily, so handle by the edges and store in a pouch.

Check thread size and horizon type

Verify your lens filter thread diameter to select the correct P-Series adapter ring before ordering. The hard-edge graduation suits scenes with a distinct, flat horizon such as seascapes or plains; uneven horizons like mountains will show an obvious line. Ensure the holder does not vignette at your widest focal length.

How it compares

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

Price $11.99
Cheaper than about 92% 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 2/3-stop density is applied evenly after mounting the P123L filter?

Take a test shot of a clear horizon; the upper half should show a consistent blue tone that fades sharply at the centre line with no colour banding.

What comes in the box and what must I buy separately to use this rectangular filter?

The package contains only the resin filter; a Cokin P-series holder and adapter ring matching your lens thread are required and sold separately.

Which P-series graduated blue density should I choose for a subtle sky enhancement?

The B2-Light variant with its 2/3-stop density is the lightest option in the range, designed for a gentle blue lift without overpowering the scene.

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