• Pegasus Astro Photographic Filter - SII 2'' mounted Filter (PEG-FLTR-2M-S2) - Astronomy Plus

Pegasus Astro Photographic Filter - SII 2'' mounted Filter (PEG-FLTR-2M-S2)

Pegasus Astro Photographic Filter - SII 2'' mounted Filter (PEG-FLTR-2M-S2)

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$183.96
$183.96 $248.60
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Pegasus Astro Photographic Filter - SII 2'' mounted Filter (PEG-FLTR-2M-S2) - Astronomy Plus

Pegasus Astro Photographic Filter - SII 2'' mounted Filter (PEG-FLTR-2M-S2)

$183.96
$183.96 $248.60
SAVE 26% Sold out

Pegasus Astro Photographic Filter - S2 2'' Mounted Photographic Filter


Sulfur II (SII) filters are a narrow-band-filters for CCD/CMOS photography. This extra narrowband SII CCD 7nm filter is designed for nebula observation allowing 12nm bandwidth of light centered on a wavelength of 672nm through, and reducing the transmission of certain wavelengths of light, specifically those produced by artificial light including mercury vapor, high and low pressure sodium vapor lights, and the natural light caused by neutral oxygen emission in our atmosphere (i.e., skyglow). The filter only lets the light of the ionized sulfur pass and blocks the rest of the visual spectrum.

Technical Specification

  • Specifications
    Filter Size: 2 inch
    Polish: 1/4 wavefront, Parfocal
    Transmission Range: T > 80%, 627 nm, 7nm FWHM
    Coatings: Multilayer Anti-reflection
    Type: Narrowband (7nm
    Shape: Round
    Thickness: 5mm (filter) + 2.5mm (thread)
    Thread: M48, 0.75 pitch

In the Box

Filter

Manual & Warranty

Pegasus 1-Year Warranty


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