Heliopan 55mm #29 Dark Red Filter

Heliopan 55mm #29 Dark Red Filter

Heliopan 55mm #29 Dark Red Filter

B&H # HE2955 MFR # 705509
Heliopan 55mm #29 Dark Red Filter

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Product Highlights

  • #29 Filter for Enhanced B&W Contrast
  • 8-12x Filter Factor, +3-3.5 Stops
  • 55mm Front Filter Threads
  • Front and Rear Coating
  • Schott Glass Construction
  • Brass Filter Ring
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Heliopan 705509 overview

  • 1Description

The Heliopan 55mm #29 Dark Red Filter is a basic contrast filter, primarily for use with black and white film, that completely absorbs blue and green tones, enhances reds, and increases contrast for outdoor photography. It is suitable for use in tri-color separations and for photographing faded documents. There is an approximate 8-12x filter factor with this filter, requiring an increase of 3 to 3.5 stops for normal exposure.

The front and rear surfaces of the filter both feature a single anti-reflection coating. Each coating helps to increase light transmission by reducing reflections, scattered light, and ghosting. Additionally, they offer protection to the filter substrate while helping to keep the glass clean for longer than uncoated glass.

This Heliopan filter is constructed from Schott glass for increased optical clarity and color fidelity. It features a brass filter ring for durability as well as jamming prevention.

Dark red contrast filter for black and white film significantly darkens blue and green tones, cuts through haze, and increases overall contrast.
Suitable for tri-color separations as well as reproduction photography of faded documents.
Single coatings on both the front and rear offer protection to the glass and help to improve light transmission and image quality.
Constructed from Schott glass for optical clarity.
Brass filter ring helps to prevent jamming and provides additional strength.
Dual threading with 55mm front filter threads permits combining with other filters.
In the Box
Heliopan 55mm #29 Dark Red Filter
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description

    Heliopan 705509 specs

    Type Dark red
    Size 55 mm
    Grade #29
    Filter Factor Approx. 8-12x (3-3.5 stops)
    Multi-Coated Yes; single-coating
    Effect Strongly darken skies, increase contrast
    Construction Schott glass and brass filter ring
    Front Filter Thread Size 55 mm
    Front Lens Cap Size 55 mm
    Packaging Info
    Package Weight 0.1 lb
    Box Dimensions (LxWxH) 3.3 x 2.7 x 0.7"

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