Singh-Ray 55mm Vari-N-Duo Variable Neutral Density and Warming Circular Polarizer Filter

Singh-Ray 55mm Vari-N-Duo Variable Neutral Density and Warming Circular Polarizer Filter

Singh-Ray 55mm Vari-N-Duo Variable Neutral Density and Warming Circular Polarizer Filter

B&H # SIVNDP55 MFR # R-10062
Singh-Ray 55mm Vari-N-Duo Variable Neutral Density and Warming Circular Polarizer Filter

Singh-Ray 55mm Vari-N-Duo Variable Neutral Density and Warming Circular Polarizer Filter

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Product Highlights

  • Variable 0.8-2.4 Neutral Density Element
  • Reduce Exposure by 2.6-8 Stops
  • Darkens Entire Image
  • Greater Control Over Exposure Settings
  • Allows Reduced Shutter Speed
  • Allows Wider Aperture
  • Warming Circular Polarizer Element
  • 2x Filter Factor, +1 Stop
  • Helps to Eliminate Reflections and Glare
  • Can Add Warmth to Entire Image
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This item is noncancelable and nonreturnable

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You Pay: $390.00

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  • 1Description

The Singh-Ray 55mm Vari-N-Duo Variable Neutral Density and Warming Circular Polarizer Filter is a filter that combines a solid variable neutral density element with a warming circular polarizer element. The solid variable neutral density element provides an exposure reduction of 2.6 to 8 stops. Its 0.8 to 2.4 density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower shutter speed than would normally be required. The degree of density is easily controlled by rotating the rear filter ring, helping you to predetermine the additional exposure length required. By slowing your exposure time or increasing your aperture, you are able to control depth of field and convey movement more easily.

Above this filter's solid variable neutral density element is an independently-rotating warming circular polarizer element that can be applied to create a warm cast over an entire image while helping 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 element 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 Singh-Ray 55mm Vari-N-Duo Variable Neutral Density and Warming Circular Polarizer Filter's warming effect can be obtained under daylight when this filter is used on a film camera system with daylight film installed, or on a digital camera system with its daylight white balance setting selected. The coloration of this filter's warming circular polarizer element corresponds to an ability to reduce 3400K color temperatures to 3200K, which reflects a mired shift value of +18 that can be applied to other starting color temperatures as well. To maintain image clarity, optical glass set within aluminum-alloy rings that are durable while remaining lightweight is used for the construction of this filter.

Variable neutral density filter element that allows differing amounts of density from scene to scene combined with a warming circular polarizing element that can be applied to create a warm cast over an entire image while helping to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface
0.8 to 2.4 neutral density filter element darkens the image, allowing you to photograph with a longer shutter speed or wider aperture than normally required
Providing a reduction of 2.6 to 8 stops, variable neutral density filter element allows you to control depth of field and convey movement more easily
Offers increased flexibility to use specific ISO settings or ISO films under bright ambient light
Provides increased exposure flexibility while using cinema or video cameras within a designated film frame rate
Polarizing filter element arranges, and filters, 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 polarizing effect when used at a 90° angle from the sun
Coloration of polarizing element corresponds to an ability to reduce 3400K color temperatures to 3200K, which reflects a mired shift value of +18 that can be applied to other starting color temperatures as well
Circular polarizers are ideal for use with digital cameras and autofocus lenses where a linear polarizer will often disrupt auto exposure and focus features
When used, polarizing element's 2x filter factor reduces exposure by 1 stop
Lightweight and durable aluminum-alloy filter ring with 55mm front filter threads
Leatherette pouch with microfiber interior for storage and transport
In the Box
Singh-Ray 55mm Vari-N-Duo Variable Neutral Density and Warming Circular Polarizer Filter
  • Filter Pouch
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description
    Type Variable neutral density and warming circular polarizer
    Size 55 mm
    Thickness 17.3 mm
    Density Variable Neutral Density Element: 0.8-2.4 (2.6 to 8 stops)
    Warming Circular Polarizer Element: 0.3 (1 stop)
    Rotating Variable Neutral Density Element: Yes; to vary density
    Warming Circular Polarizer Element: Yes; for polarization of light
    Effect Variable Neutral Density Element: Permits a longer exposure
    Warming Circular Polarizer Element: Eliminates reflections and haze and improves color and tonal saturation. Adds warmth to an entire image when used under daylight on a film camera system with daylight film installed, or on a digital camera system with its daylight white balance setting selected
    Mired Shift Warming Circular Polarizer Element: +18
    Color Temperature Warming Circular Polarizer Element: 3400K to 3200K
    Construction Optical glass
    Front Filter Thread Size 55 mm
    Front Lens Cap Size 55 mm

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