Heliopan Bay 70 RG 715 (88A) Infrared Filter

Heliopan Bay 70 RG 715 (88A) Infrared Filter

Heliopan Bay 70 RG 715 (88A) Infrared Filter

B&H # HEIR715B70 MFR # 707078
Heliopan Bay 70 RG 715 (88A) Infrared Filter

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Expected availability: 4-6 weeks

Product Highlights

  • For Infrared Images
  • 90% of IR 715nm or Above Can Pass
  • Blocks Near-IR, Visible, and UV Light
  • ~120x Filter Factor, ~7 Stop
  • Schott Glass Construction
  • Multi-Coated
  • Bay 70 Front Filter Mount
  • Brass Filter Ring
  • Plastic Case
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This item is noncancelable and nonreturnable.

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Heliopan 707078 Overview

  • 1Description

The Heliopan Bay 70 RG 715 (88A) Infrared Filter corresponds to a Wratten 88A filter is designed to help capture images of how a subject reflects or transmits infrared light.

Infrared light waves occupy the space in the electromagnetic spectrum behind visible light due to their longer wavelengths. Many surfaces and materials react to, or emit infrared light waves differently than visible light waves, which provide the potential for photographs of subjects or subject properties that are otherwise invisible to the human eye. Such images require an infrared-sensitive medium such as infrared film or a digital photographic sensor which may be more effective when used without the infrared-blocking filters that are frequently built over them.

Conventional light sources such as the sun, photographic strobes, or incandescent lighting may be used to provide infrared illumination. However, because infrared films or digital photographic sensors can be more sensitive to the relatively higher energy and shorter-wavelength visible light those sources also emit, the effects of infrared light can be otherwise obscured. The Heliopan Bay 70 RG 715 (88A) Infrared Filter makes it possible to capture images of how subjects are illuminated by infrared light by blocking near-infrared, visible, and ultraviolet light waves while allowing 90% of infrared light waves 715nm or greater into the lens it is mounted onto.

This filter is constructed from Schott glass for increased optical clarity and features a brass filter ring for durability and jamming prevention.

  • Designed for use with infrared film or digital camera sensors by filtering out near-infrared, visible, and ultraviolet light
  • Allows 90% of infrared light waves beginning at 715nm to pass through
  • Effective for infrared films or other media sensitive to infrared wavelengths 715nm or above
  • Constructed from Schott glass for optical clarity
  • Each glass surface includes four layers of anti-reflection coating to prevent internal ghosting and reflections
  • Filter factor of approximately 120x reduces exposure by about 7 stops
  • Brass filter ring helps to prevent jamming and provides additional strength
  • Bay 70 front mount allows use with other filters
  • Plastic case for storage and transport
In the Box
Heliopan Bay 70 RG 715 (88A) Infrared Filter
  • Filter Case
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description

    Heliopan 707078 Specs

    Type Infrared Filter
    Size Bay 70
    Density ~2.1
    Filter Factor ~120 (~7 stops)
    Multi-Coated Yes
    Effect Helps provide the ability to capture images of subjects illuminated only by infrared light by blocking accompanying near-infrared, visible, and ultraviolet light
    Construction Schott glass
    Front Accessory Size Bay 70
    Front Lens Cap Size Bay 70
    Packaging Info
    Package Weight 0.25 lb
    Box Dimensions (LxWxH) 4.3 x 3.8 x 0.9"

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