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Formatt Hitech 39mm Glass Linear Polarizer Filter

Formatt Hitech 39mm Glass Linear Polarizer Filter

B&H # FOP39 MFR # BF 39POLAR
Formatt Hitech 39mm Glass Linear Polarizer Filter

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Product Highlights

  • Linear Polarizer Filter
  • 2x Filter Factor, +1 Stop
  • Helps to Eliminate Reflections and Glare
  • Reduces Haze in Landscapes
  • Greater Color and Tonal Saturation
  • Schott B270 Glass
  • Non-Coated
  • Aluminum-Alloy Filter Ring
  • Flannelette Pouch
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Formatt Hitech BF 39POLAR overview

  • 1Description

The Formatt Hitech 39mm Glass Linear Polarizer Filter helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface. The light from the sun naturally becomes partially polarized due to reflecting off electrons in air molecules, causing the light to scatter into what appears as haze. A polarizing filter arranges, and filters, this directionally polarized light perpendicularly to the reflected light, allowing for the absorption of much of this light. This results in a noticeable reduction of glare and reflections from non-metallic surfaces and an increase in the saturation of skies and foliage.

A linear polarizer differs from a circular polarizer in that it does not contain an additional quarter wave plane. The addition of a quarter wave plane is to circularly polarize linearly polarized light for the use of auto focus and exposure functions. Due to how the light is broken down and filtered with a linear polarizer, in-camera auto focus and exposure accuracy become skewed during use. When the light becomes circularly polarized, it permits the use of these functions.

This filter is recommended when not using in-camera exposure metering or autofocus. It is constructed from Schott B270 Glass for increased clarity as well as color fidelity and features an aluminum-alloy filter ring that can be rotated in order to adjust the intensity of the polarization effect. To reduce the possibility of vignetting while using Formatt Hitech 39mm Glass Linear Polarizer Filter, the filter ring's front diameter is slightly larger than the rear diameter. This may prevent the use of some lens manufacturer bayonet hoods.

Helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface.
Polarizing filters arrange, and filter, directionally polarized light perpendicularly to the reflected light, allowing for the absorption of much of the light.
Clears up haze in distant landscapes and provides more saturated, vivid colors.
Strongest effect when used at a 90° angle from the sun.
Recommended when not using in-camera exposure metering or autofocus.
2x filter factor reduces exposure by 1 stop.
Non-coated.
Aluminum-alloy filter ring for durability while remaining lightweight.
Filter ring does not feature front filter threads and can be rotated to adjust the intensity of the polarization effect.
Constructed from Schott B270 glass for optical clarity.
Flannelette pouch for storage and transport.
In the Box
Formatt Hitech 39mm Glass Linear Polarizer Filter
  • Filter Case
  • Table of Contents
    • 1Description

    Formatt Hitech BF 39POLAR specs

    Filter Type Linear Polarizer
    Filter Factor 2 (1 Stop)
    Shape Circle
    Circular Size 39 mm
    Rotating Yes
    Front Accessory Thread / Bayonet None
    Filter Material Glass
    Coatings None

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