Spider Fire Circular Polarizer 49mm Filter
Combination UV and Circular Polarizer
2.5-2.8x Filter Factor, 1.3-1.5 Stops
Helps to Eliminate Reflections and Glare
Reduces Haze in Landscapes
Greater Color and Tonal Saturation
Blocks Ultraviolet Light
Reduces Bluish Cast of Daylight
Non-Coated, Optical Glass
49mm Front Filter Threads
Circular Polarizer 49mm Filter in Pakistan
The Circular Polarizer 49mm UV Filter is designed to block ultraviolet light and reduce the bluish cast of daylight while also helping to eliminate 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 filter with polarizing capability 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.
CPL Filter 49mm in Pakistan
circular polarizer 49mm 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 polarizer 49mm are ideal for use with digital cameras and autofocus lenses where a linear polarizer will often disrupt auto exposure and focus features.
Wide filter mount minimizes vignetting when used on wide-angle lenses.
Super multi-layer coating helps improve image clarity by reducing flare and ghostin.
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