FotodioX 145mm Circular Polarizer Filter

FotodioX 145mm Circular Polarizer Filter

FotodioX 145mm Circular Polarizer Filter

B&H # FOCPWP145 MFR # WNDPN145-CPL
FotodioX 145mm Circular Polarizer Filter

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Ship Time: 7-14 business days 

Product Highlights

  • Circular Polarizer Filter
  • For WonderPana 145, FreeArc, & Absolute
  • 1.25 to 8x Filter Factor, +0.3 to 3 Stop
  • Helps to Eliminate Reflections and Glare
  • Reduces Haze in Landscapes
  • Greater Color and Tonal Saturation
  • Optical Glass Construction
  • 145mm Front Filter Threads
  • Brass Filter Ring Rotation Knobs
  • Carrying Pouch
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  • 1Description

The FotodioX 145mm Circular Polarizer Filter is compatible with the FotodioX WonderPana 145, FreeArc, and Absolute filter holder systems. It helps to reduce reflections as well as 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.

The FotodioX 145mm Circular Polarizer Filter is constructed from optical glass for clarity as well as color fidelity and features lightweight, aluminum-alloy filter rings. A rear filter ring connects to a compatible filter holder while four brass knobs along the side of the front filter ring allow the filter glass to be easily rotated. This provides the ability to achieve the desired degree of polarization even if another filter is placed in front of the FotodioX 145mm Circular Polarizer Filter.

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.
Circular polarizers are ideal for use with digital cameras and autofocus lenses where a linear polarizer will often disrupt auto exposure and focus features.
1.25 to 8x filter factor reduces exposure by 0.3 to 3 stops.
Constructed from optical glass for clarity.
Lightweight, aluminum-alloy filter rings along with four brass side knobs allow the filter glass to be easily rotated. The desired effect can be easily achieved even if another filter is placed directly in front.
Filter pouch included for storage and transport.
UPC: 847372009794
In the Box
FotodioX 145mm Circular Polarizer Filter
  • Filter Pouch
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description
    Filter Type Circular Polarizer
    Filter Factor 1.25 - 8 (0.3 - 3 Stop)
    Shape Circle
    Circular Size 145 mm
    Front Thread / Bayonet 145 mm
    Filter Material Glass
    Coating Multi-Coated
    Packaging Info
    Package Weight 0.75 lb
    Box Dimensions (LxWxH) 10.1 x 8.5 x 2.5"

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