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A21 Dark Conversion/Cooling Filter (80B) A-Series

Prices as of September 25, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$16.99
Sep 12 · Macy's
Best price
$16.99
−0% vs high
14-day high
$16.99
All stores
$17$17$17
Sep 12Sep 25
  • Macy's
Lowest in 14 days: $16.99 at Macy's. Highest: $16.99. Current best is 0% below the 14-day high.

About this product

The Cokin A21 Dark Blue Conversion/Cooling Filter (80B) is a rectangular blue glass filter designed for use with daylight film under tungsten or halogen lighting. It suppresses harsh orange tones while preserving natural color balance, adding depth and atmospheric quality to photographs through sculpted shadows. Part of the Cokin A-Series system, it enables easy stacking and swapping with other filters. The single-coated construction ensures durability, and the filter is wipe-clean for maintenance. This accessory enhances image quality in indoor settings like party venues, shop windows, and illuminated landmarks.

  • Rectangular blue glass filter
  • Suppresses orange tones from tungsten/halogen lights
  • Part of Cokin A-Series for easy stacking
  • Single-coated for durability
  • Wipe clean maintenance
  • Ideal for daylight film photography

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A21 Dark Conversion/Cooling Filter (80B) A-Series — Price History