1.25 Inch Astrophotography Filters

Discover our range of 1.25 Inch Astrophotography Filters, perfect for those looking to capture stunning images of the night sky. These filters are engineered to fit standard 1.25-inch eyepieces, offering excellent performance for both amateur and professional astronomers. With advanced coatings to block unwanted wavelengths and enhance specific colors, these filters will help you achieve clearer, more vibrant images of celestial objects. Browse our collection and find the ideal filter to enhance your astrophotography setup.

  • 48298174611669|48298174644437

    Optolong H-Alpha 7nm Filter 2" / 1.25"

    Optolong H-Alpha 7nm Filter 2" / 1.25"

    Works seamlessly with other narrowband filters like OIII and SII for comprehensive SHO (Hubble Palette) imaging. Enhances contrast and detail in wide-field images when used with CCD cameras.
    From $209.00 USD
    From $209.00 USD
  • 48298329800917|48298329833685

    Optolong OIII Narrowband 6.5nm Filter 2" / 1.25"

    Optolong OIII Narrowband 6.5nm Filter 2" / 1.25"

    The Optolong OIII Narrowband 6.5nm Filter is a powerful tool for any astronomer or astrophotographer looking to capture high-contrast, detailed images of the night sky. With its advanced coating technology, high transmission rates, and durable construction, this filter ensures that you can achieve stunning results in a variety of imaging scenarios. Whether you’re observing from a suburban backyard or a light-polluted urban environment, the OIII filter will help you see the universe in greater detail than ever before.
    From $209.00 USD
    From $209.00 USD
  • 48298393108693|48298393141461

    Optolong SII Narrowband 6.5nm Filter 2" / 1.25"

    Optolong SII Narrowband 6.5nm Filter 2" / 1.25"

    The Optolong SII Narrowband 6.5nm Filter is a powerful tool for any astronomer or astrophotographer looking to capture high-contrast, detailed images of the night sky. With its advanced coating technology, high transmission rates, and durable construction, this filter ensures that you can achieve stunning results in a variety of imaging scenarios. Whether you’re observing from a suburban backyard or a light-polluted urban environment, the SII filter will help you see the universe in greater detail than ever before.
    From $209.00 USD
    From $209.00 USD
  • 48297276014805

    Optolong LRGB Filter Set Kit 1.25"

    Optolong LRGB Filter Set Kit 1.25"

    The gap between the green and red filters blocks the primary Sodium (Na) light pollution line at 589nm, enhancing color balance and separation. These filters also block infrared wavelengths (700-1100nm), eliminating the need for a separate IR cut-off filter.
    $245.00 USD
    $245.00 USD
  • Optolong L-Extreme 7nm Dual-Band Narrowband Light Pollution Filter

    Optolong L-Extreme 7nm Dual-Band Narrowband Light Pollution Filter

    Optolong L-Extreme 7nm Dual-Band Narrowband Light Pollution Filter

    Captures specific wavelengths at 500.7nm (OIII) and 656.28nm (H-alpha) with a Full Width at Half Maximum (FWHM) of 7nm. Designed for use with fast focal ratio imaging systems, including RASA, HyperStar, and other systems with focal ratios from f2 to f3.3.
    From $253.00 USD
    From $253.00 USD
  • Optolong L-Extreme Light Pollution Filter 1.25"

    Optolong L-Extreme Light Pollution Filter 1.25"

    Optolong L-Extreme Light Pollution Filter 1.25"

    This filter is designed for imaging and is not suitable for visual observation. It is specifically crafted to improve deep-sky imaging by isolating key emission lines and reducing light pollution. For best results, use this filter with a camera setup that is sensitive to the wavelengths it isolates.
    $253.00 USD
    $253.00 USD
  • Optolong L-Ultimate Dual-3nm Filter 2" / 1.25"

    Optolong L-Ultimate Dual-3nm Filter 2" / 1.25"

    Optolong L-Ultimate Dual-3nm Filter 2" / 1.25"

    The L-Ultimate isolates the nebulae's emissions into H-Alpha (red) and OIII (green-blue), blocking out unwanted light and maximizing the signal from nebulae.
    From $281.00 USD
    From $281.00 USD
  • 48307957006549|48307957039317

    Optolong Planetary Filter Set Kit (UV/IR Cut, RGB, IR685) 1.25" / 2" Inch Mounted

    Optolong Planetary Filter Set Kit (UV/IR Cut, RGB, IR685) 1.25" / 2" Inch Mounted

    The filters are perfect for capturing a variety of celestial objects. Popular targets include: Jupiter: Capture the intricate details of Jupiter's cloud bands and Great Red Spot. Saturn: Reveal the stunning rings and atmospheric features of Saturn. Mars: Highlight surface details and polar ice caps of the Red Planet. Venus: Achieve detailed images of Venus's cloud cover. Moon: Capture the craters, mountains, and maria of Earth's natural satellite.
    From $309.00 USD
    From $309.00 USD