Vixen Optics 1.25" StarGuy H-Alpha 7nm Narrowband Filter

Vixen Optics 1.25" StarGuy H-Alpha 7nm Narrowband Filter

Vixen Optics 1.25" StarGuy H-Alpha 7nm Narrowband Filter

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Product Highlights

  • Deep Red Long Pass Filter
  • Ideal for Photographing Emissions Nebula
  • Enhances Contrast and Clarity
  • Coated and Polished HB610 Optical Glass

Size: 1.25"

1.25" 2"

Special Order

Filter Type: Narrowband, 7nm

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Special Order

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You Pay: $119.00

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Vixen Optics QHA7403Y overview

  • 1Description

Enhancing the contrast of nebulae emissions by passing only hydrogen alpha light, the StarGuy H-Alpha 7nm Narrowband Filter from Vixen Optics is compatible with telescopes featuring a 1.25"-diameter eyepiece. The design of this deep red long pass filter passes a narrow, 7nm band of hydrogen for increased contrast and separation of values. By passing H-alpha light and attenuating light pollution wavelengths, this filter is especially well suited to photographing the Horsehead and North America Nebulae, along with other emission nebulae. It is constructed from HB610 tinted glass and polished and coated on both sides to prevent surface reflections and halo effects.

UPC: 811971018068
In the Box
Vixen Optics 1.25" StarGuy H-Alpha 7nm Narrowband Filter
  • Plastic Filter Case
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description

    Vixen Optics QHA7403Y specs

    Size 1.25" / 31.75 mm (diameter)
    Transmittance Tmax at 656 nm H-alpha light transmittance of 80% or more
    Half-bandwidth (FWHM): 7 (+/- 0.5 nm)
    Cutoff range (blocking area): > OD3 (0.1%) at 300-1100 nm
    Construction HB610 tinted glass, 1.85 mm-thick (1 / 4λ high flatness optical processing time)
    Packaging Info
    Package Weight 0.1 lb
    Box Dimensions (LxWxH) 3.0 x 3.0 x 0.9"

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