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Tiffen 6" Round 85B Linear Polarizer Filter (Unmounted, Non-Rotating)

B&H # TI85BPU6 MFR # 6IN85BPOLUN
Tiffen 6" Round 85B Linear Polarizer Filter (Unmounted, Non-Rotating)

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Product Highlights

  • Color Conversion 85B and Polarizer
  • Warming Color Conversion Filter
  • 5500 to 3200K Color Temp Decrease
  • Helps to Eliminate Reflections and Glare
  • Reduces Haze and Blue Cast in Landscapes
  • Greater Color and Tonal Saturation
  • ColorCore Technology
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You Pay: $444.50

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The unmounted, non-rotating Tiffen 6" Round 85B Linear Polarizer Filter combines both an 85B color conversion filter with a linear polarizing filter to blend the effects of both filter types into a single, convenient solution.

The 85B color conversion aspect of the filter provides a warming effect and decreases the color temperature from 5500K to 3200K, allowing the use of tungsten balanced film in daylight conditions.

The linear polarizing aspect of the filter helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface. This results in a noticeable increase in the saturation of skies and foliage, as well as clearer imagery when photographing in hazy conditions. A linear polarizer differs from a circular polarizer in that it does not supports use of a camera's autofocus or auto exposure functions; it is best suited for use with manual cameras, such as view cameras, that are not dependent on internal mechanisms to determine focus or metering settings.

There is a total filter factor of about 6x, requiring an increase of 2.6 stops for normal exposure. Tiffen filters are made using ColorCore technology, a process that involves laminating the filter substrate between 2 pieces of optical glass and grinding flat to a tolerance of 1/10,000th of an inch. This filter measueres 6" / 152.4mm in diameter and is unmounted. The non-rotating design of this filter is best-suited for use with lens hoods, adapters, or other rings for rotational control over the polarizing substrate.

Linear polarizer and 85B amber color conversion filter combination.
Total filter factor of approximately 6x requires 2.6 stops of additional exposure for normal results.
Warming 85B color conversion filter decreases color temperature from 5500K to 3200K for using tungsten-balanced film in daylight conditions.
Polarizer helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface.
Clears up haze in distant landscapes and provides more saturated, vivid colors.
Strongest polarizing effect when used at a 90° angle from the sun.
Non-rotating design is best-suited to use with lens hoods or adapter rings in order to best control the polarizing effect of the filter.
Type Amber color conversion and linear polarizer combination
Size 6" / 152.4 mm (diameter)
Grade 85B
Filter Factor Approx. 6 (2.6 stops)
Effect Polarizer eliminates reflections and haze and improves color and tonal saturation
85B decreases color temperature
Rotating No
Color Temperature 85B: 5500K to 3200K
Construction ColorCore glass
Tiffen 6" Round 85B Linear Polarizer Filter (Unmounted, Non-Rotating)
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