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Optolong 1.25" Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-125

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Item #OLNG-LRGB-HASIIOIII-125

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This Optolong 1.25" Filter Set includes:

  • Optolong 1.25" LRGB Filter Set
  • Optolong 1.25" 7nm H-Alpha Filter
  • Optolong 1.25" 6.5nm SII Filter
  • Optolong 1.25" 6.5nm OIII Filter
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  • Description

    Optolong 1.25" Filter Set with LRGB, H-Alpha, SII, and OIII Filters

    Optolong has designed this filter set to get you started easily on viewing planets and deep-sky objects. In this set, you will get Optolong's LRGB filters, 7nm Hydrogen-Alpha filter, 6.5nm Sulfur-II filter, and 6.5nm Oxygen-III filter. All filters are housed in a 1.25" cell.

    All Optolong filters in this set are made with Schott glass that has been multi-coated with an ion-assisted deposition technology to ensure scratch resistance and stability on the central wavelength or CWL. The filter cells are made of lightweight, strong metal and are CNC machined, sand-blasted, black anodized, and then laser engraved. The result is a super thin filter cell that will produce a clear aperture of 26mm.

    Optolong LRGB Filter Set - The Optolong LRGB Filter Set comes with four 1.25” mounted filters, including Red, Green, Blue, and Luminance. They are designed for de-bayered monochrome CCD and CMOS cameras and work great for both planetary and deep-sky imaging. Like all Optolong filters that are designated as “CCD”, this filter set blocks infrared wavelengths from 700nm to 1100nm so you don't need a separate IR-Cut filter.

    Optolong 7nm H-Alpha Filter - The Optolong H-Alpha 7nm is an extremely narrow emission-line filter that works by allowing a 7nm bandwidth of light, centered on the 656nm wavelength through, and blocking the transmission of contrast-killing light pollution wavelengths. Wavelengths that are responsible for natural light pollution, or skyglow, are drastically reduced, as is artificial light pollution caused by high and low-pressure sodium vapor and mercury vapor lights. The result is a high contrast image that reveals the H-alpha line in all its glory.

    Optolong 6.5nm SII Filter - The Optolong Sulfur-II 6.5nm Extra-Narrowband Filter transmits a 6.5nm bandwidth of light that is centered at 672nm and drastically reduces other transmissions, including wavelengths of light that are responsible for light pollution (both artificial and natural). Like all Optolong filters that are designated as “CCD”, this SII filter also blocks infrared wavelengths from 700nm to 1100nm so you don't need a separate IR-Cut filter.

    Optolong 6.5nm OIII Filter - The Optolong Oxygen III 6.5nm Extra-Narrowband Filter transmits a 6.5nm bandwidth of light that is centered at 500nm and drastically reduces other transmissions, including wavelengths of light that are responsible for light pollution (both artificial and natural). Like all Optolong filters that are designated as “CCD”, this OIII also blocks infrared wavelengths from 700nm to 1100nm so you don't need a separate IR-Cut filter.

     

    Supplier SKU

    LRGB-HASIIOIII-125

    What's Included

    • Optolong 1.25" Luminance Filter

    • Optolong 1.25" Red Filter

    • Optolong 1.25" Green Filter

    • Optolong 1.25" Blue Filter

    • Optolong 1.25" 7nm H-Alpha Filter

    • Optolong 1.25" 6.5nm SII Filter

    • Optolong 1.25" 6.5nm OIII Filter

    • Filter Case

  • Dimensions & Specifications

    • Filter - Single or Set: Filter Set

    • Filter Size: 31.75 mm (1.25")

    • Filter Type: Broadband Deep-Sky

    • Filter Shape: Round

    • Mounted or Unmounted: Mounted

    • Filter Set Contents: 1.25" Luminance / Red / Green / Blue / 7nm H-Alpha / 6.5 nm SII / 6.5nm OIII Filters

    • Filter Warranty: Two Years


  • Product Guarantee

    We stand behind all the products we sell, and your satisfaction is our top priority. If you're not satisfied with the quality of your purchase, simply send the item back to us in its original packaging within 30 days of its delivery.

    Manufacturer Warranty

    Two Years

    Return & Exchange Policy

    At our site, returns are easy! You may return new, unused, and resalable items for a refund or exchange. Simply ensure that the item is returned in its original product packaging within 30 days of delivery.

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