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62mm KR3 (81C) Color Conversion Filter

Part #: 65073548
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The B+W 62mm KR3 (81C) Color Conversion Filter is with approximately twice the strength of the KR 1.5, the KR 3 filter reduces blue and green. Even the strong blue cast of a high standing sun in a cloudless azure-blue sky, in regions with especially clear air, or the haze in distant views is removed very effectively. This filter also blocks disturbing UV radiation completely. Its filter factor is approximately 1.2.

This filter uses our standard B+W F-Pro filter mount, which has a front accessory thread and is made of brass. Compared to the earlier standard mount introduced in 2001, the F-Pro mount has become thinner. Now it can be used with wide angle lenses, including most 24mm focal lengths on a full frame body, without vignetting. Another advantage of the F-Pro mount is it's modified retaining ring, which is no longer threaded in from the front, but holds the filter glass in place from the back. When removing a filter or lens hood that has been screwed on too tight to the filter, the retaining ring is not at risk of loosening.

NOTE: diopters are mounted in the older mount due to glass thickness.


  • High Quality Schott Glass
  • Rugged Aluminum Filter Ring


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Filters Information
Filter Shape Round
Filter Type Color Correction
Filter Size 62mm
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