William Optics SDC Ultra Layer Astro Multispectra Filter - 48mm (2")

Brand: William Optics


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Product Details

  • The SLR lenses focal distance is recommended for 60mm or more.

    It is specially designed Astro-Adapter M48-M56 P0.75mm for telescope adapter connecting Astro filter. CNC Machining is used in precisely manufacturing metal parts. Anodizing Aluminium process could reduce the reflection for image.

    STC Astro-Multispectra filter can reduce the interference from artificial lighting in the city ,and enhance the wave length of Hα, Hβ, OIII and SII.

    It is coated by the use of the IBAD (Ion beam-assisted deposition) technology on Schott B270 optical 2mm glass, working for higher durability and easily cleaning, and preventing aging variation in optical spectral characteristics due to temperature and humidity change.

    High-quality double-sided NANO Anti-smudge coating build excellent performance on waterproof and grease-proof.

    Matte black anodized and Teflon-coated frame design eliminates flare and easy to install or remove from your lens.

    This product is an interference filter. Its spectrum characteristics will be subject to the incidence of incoming light.

    Directly shooting on strong light would effect the image performance due to the light interference and reflection.


  • specifications

    BandpassMulti Bandpass
    Filter ShapeRound
    Filter Size2"
    Filter Thickness2mm
    Filter TypeMultiband

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