LEE Filters 100 x 100mm 81A Light Balancing Filter

LEE Filters 100 x 100mm 81A Light Balancing Filter

LEE Filters 100 x 100mm 81A Light Balancing Filter

B&H # LE81A44 MFR # 81ASTD
LEE Filters 100 x 100mm 81A Light Balancing Filter

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Expected availability: 2-4 weeks

Product Highlights

  • For 100mm System Filter Holder
  • 1.25x Filter Factor, +0.3 Stop
  • 3400K Color Temperature to 3200K
  • Corrects 3400K Light for Tungsten B Film
  • +18 Mired Shift Value
  • Can Add Warmth to Entire Image
  • Optical-Quality Resin
  • Padded Pouch
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LEE Filters 81ASTD Overview

  • 1Description

The 100 x 100mm 81A Light Balancing Filter from Lee Filters is compatible with a LEE Filters 100mm System filter holder. It is uniform in color and with a mired shift value of +18, can be applied to purposely create a warm cast over an entire image. This 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 Lee Filters 100 x 100mm 81A Light Balancing Filter is also useful for balancing light sources with a color temperature of 3400K for type B tungsten film, which is designed to accurately reproduce colors under 3200K light sources.

This filter is made of optical-quality resin and measures 2.0mm thick. A padded pouch is also included with the filter.

When used, the Lee Filters 100 x 100mm 81A Light Balancing Filter's 0.1 density darkens the entire image by 0.3 stops. This reduction in exposure can be compensated for by adjusting the aperture setting of the lens it is placed on, or the shutter speed of the camera being used.

The greater the difference between the color temperatures they are designed to correct for over 3200K, light balancing filters for type B tungsten film are considered to be progressively stronger in their effect when used to add warmth to a daylight image.

  • Compatible with a LEE Filters 100mm System filter holder
  • Can add a warming cast to an entire image under daylight when used on a film camera system with daylight film installed, or on a digital camera system with its daylight white balance setting selected
  • Provides a mired shift value of +18
  • Reduces 3400K color temperature to 3200K
  • Allows type B tungsten film to accurately reproduce colors under 3400K light sources
  • Constructed from optical-quality resin for clarity
  • 0.1 density filter with 1.25x filter factor darkens the image by 0.3 stops
  • Filter density can be compensated for by adjusting lens aperture or camera shutter speed
  • Padded filter pouch included for storage and transport
UPC: 619465001004
In the Box
LEE Filters 100 x 100mm 81A Light Balancing Filter
  • Filter Pouch
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description

    LEE Filters 81ASTD Specs

    Filter Type 81A
    Color Temperature 3400 to 3200K
    Mired Shift 18
    Density 0.1 (0.3-Stop)
    Filter Factor 1.25 (+0.3-Stop)
    Rectangular Size 3.9 x 3.9" / 100.0 x 100.0 mm
    Filter Thickness 0.1" / 2.0 mm
    Filter Material Resin
    Packaging Info
    Package Weight 0.14 lb
    Box Dimensions (LxWxH) 6.0 x 5.5 x 0.8"

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