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STC Filter

STC Filter
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  1. STC ULTRA LAYER® ASTRO MULTISPECTRA FILTER 48mm
    • 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.
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    $198.00
  2. STC Astro Duo-Narrowband Filter
    • STC Astro Duo-Narrowband filter can reduce the interference from artificial lighting in the city ,and enhance the wave length of Hα and OIII.
    • IBAD (Ion beam-assisted deposition) coating technology makes the glass higher durability and easily cleaning, and preventing aging variation in optical spectral characteristics due to temperature and humidity change.
    • Matte black anodized and Teflon-coated frame design eliminates flare and easy to install or remove from your lens.
    Learn More
    $399.00
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