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Electronics > Cameras & Optics > Accessories > Lens Accessories > Filters

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B+W 65-075273 Polarising 46mm camera filter lin pol
B+W 65-075273 Polarising 46mm camera filter lin pol:
B+W 65-075273 Polarising 46mm camera filter lin pol:

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B+W 65-075273 Polarising 46mm camera filter lin pol

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Linear polarizers are used with most manual focus SLR and rangefinder cameras to increase color saturation and reduce reflections. The neutral gray color and plane parallel polarizer material guarantee optimal image results. High-quality optical glass ensures excellent pictorial quality. The filter factor varies according to how the filter is positioned in relation to the sun. Filter factor is between 2.3 and 2.8.

B+W polarizers have a foil, which consists of a grid construction, cemented between two pieces of glass. This grid construction is invisible to the eye, and it only allows light rays vibrating parallel to the foil grid to pass through. Light rays which are vibrating perpendicularly to the foil grid are totally blocked, while other directions are partially suppressed.

When light is reflected from a surface, a polarization of the reflected light develops. The degree of polarization depends on the angle of incidence of the light, which varies according to the characteristics of the material. Light reflecting off water surfaces has a maximum polarization of under 37 degrees, while reflection off glass is under 32 degrees. With the aid of a correctly positioned polarizer, reflections can be totally eliminated under ideal conditions. This occurs when the illumination angle and picture taking angle are almost equal and the angle of maximum polarization is in the range of 30 - 40 degrees. The effect of B+W polarizers can be observed through the viewfinder while rotating the front element of the polarizer.

General

Brand: BW Pub
Release date: July 2013
Categories: Electronics > Cameras & Optics > Accessories > Lens Accessories > Filters
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LSN: XQK-GEM-9S5-6
Colour: Black
Model Number: 65-075273

Package Contents

Quantity Per Pack: 1

Physical Specification

Filter Size: 4.6

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