Tiffen 138mm Red 23A Filter

Tiffen 138mm Red 23A Filter

Tiffen 138mm Red 23A Filter

B&H # TI23A138 MFR # 138R23A
Tiffen 138mm Red 23A Filter

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Expected availability: 6-10 weeks

Product Highlights

  • Increases Black and White Contrast
  • Effect Corresponds to Wratten 23A Filter
  • Darkens Blue Tones
  • Lightens Red and Orange Tones
  • Reduces Haze in Daylight
  • 4x Filter Factor, +2 Stop
  • Optical Glass, ColorCore Technology
  • Aluminum Ring
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This item is noncancelable and nonreturnable.

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Tiffen 138R23A overview

  • 1Description

Increasing contrast when working in black and white, this 138mm Red 23A Filter from Tiffen is used to noticeably darken cool and blue tones in order to emphasized both shadows and clouds. Offering greater tonal separation than regular yellow and orange contrast filters, the light-red 23A is especially well-suited to producing dramatic outdoor and landscape imagery. There is an approximate 4x filter factor with this filter, requiring an increase of 2 stops for normal exposure.

The filter is constructed using Tiffen's ColorCore technology, which involves lamenting the filter material between two pieces of optical glass, grounding flat to a tolerance of 1/10,000th of an inch, and mounting within an aluminum alloy ring.

Light-red filter provides the same effect as a Wratten 23A contrast filter, and helps to darken blue tones while lightening warm orange and red tones, when photographing in black and white.
Commonly used for landscape photography to emphasize and darken blue skies and give clouds more visual depth.
Filter factor of 4 requires approximately 2 stops of additional exposure to maintain normal results.
ColorCore technology, which permanently laminates the filter material between two pieces of optical glass, maintains image clarity, accuracy, and consistency.
Aluminum filter ring is both lightweight and durable.
UPC: 049383002690
In the Box
Tiffen 138mm Red 23A Filter
  • Limited 10-Year Warranty
  • Table of Contents
    • 1Description

    Tiffen 138R23A specs

    Type Black and white contrast
    Size 138 mm
    Grade Equivalent to Wratten 23A
    Filter Factor 4 (+2 stop)
    Effect Increases contrast when shooting with black and white film
    Construction Optical glass
    Packaging Info
    Package Weight 0.55 lb
    Box Dimensions (LxWxH) 6.75 x 6.3 x 1.0"

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