Pentax 40.5mm 100 PL Polarizing Filter

Pentax 40.5mm 100 PL Polarizing Filter

Pentax 40.5mm 100 PL Polarizing Filter

B&H # PEFP405 MFR # 35654
Pentax 40.5mm 100 PL Polarizing Filter

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Product Highlights

  • Circular Polarizing Filter
  • Helps to Eliminate Reflections and Glare
  • Reduces Haze and Blue Cast in Landscapes
  • Greater Color and Tonal Saturation
  • Designed for Pentax Q Standard Lenses
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You Pay: $39.95

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Overview
  • 1Description

The Pentax 40.5mm 100 PL Polarizing 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 circular polarizer only differs from a linear polarizer in that it contains a quarter wave plane in addition to the linear polarizing filter. The addition of this quarter wave plane is to circularly polarize the 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, auto focus and exposure accuracy become skewed during use. When the light becomes circularly polarized, it permits the use of these functions.

This filter measures 40.5mm in diameter and is specifically designed for use with the Pentax Q-mount standard prime and standard zoom lenses.

Helps to reduce reflections and glare by filtering out light that has become polarized due to reflection off of 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° from the sun.
Circular polarizers are ideal for use with digital cameras and autofocus lenses where a linear polarizer will often disrupt auto exposure and focus features.
UPC: 027075208841
Table of Contents
  • 1Description
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Specifications
Filter Type Circular Polarizer
Filter Factor 2.5 (1.3 Stop)
Shape Circle
Circular Size 40.5 mm
Rotating Yes
Front Thread / Bayonet 40.5 mm
Coating Multi-Coated
Packaging Info
Package Weight 0.05 lb
Box Dimensions (LxWxH) 2.7 x 2.6 x 0.7"

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