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Australia's best William Optics & Explore Scientific distributor with local stock
Australia's best William Optics & Explore Scientific distributor with local stock

Filters

A selection of astronomical filters and related accessories for your telescope.

Filters

  • Original price $417.27 - Original price $417.27
    Original price $417.27
    $417.27
    $417.27 - $417.27
    Current price $417.27

    Optolong L-eXtreme Filter for Deep Sky Imaging dual-band narrowband - 2"

    ProAstroz

    1.  L-eXtreme Introduction L-eXtreme is a two 7nm bandpass filter which can be used with one-shot color cameras like DSLR's (digital SLR), and mon...

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    Original price $417.27 - Original price $417.27
    Original price $417.27
    $417.27
    $417.27 - $417.27
    Current price $417.27
  • Optolong L-eNhance Filter for Deep Sky  narrowband Imaging - ProAstroz
    Optolong L-eNhance Filter for Deep Sky  narrowband Imaging - ProAstroz
    Original price $326.36 - Original price $326.36
    Original price $326.36
    $326.36
    $326.36 - $326.36
    Current price $326.36

    Optolong L-eNhance Filter for Deep Sky narrowband Imaging - 2"

    ProAstroz

    1.  L-eNhance IntroductionThe relentless spread or urbanization and its associated light pollution have become a growing problem for all amateur as...

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    Original price $326.36 - Original price $326.36
    Original price $326.36
    $326.36
    $326.36 - $326.36
    Current price $326.36
  • Optolong L-Pro Filter for Deep Sky  narrowband Imaging - ProAstroz
    Optolong L-Pro Filter for Deep Sky  narrowband Imaging - ProAstroz
    Original price $271.82 - Original price $271.82
    Original price $271.82
    $271.82
    $271.82 - $271.82
    Current price $271.82

    Optolong L-Pro Filter for Deep Sky narrowband Imaging - 2"

    ProAstroz

    1.Optolong L-Pro Introduction Optolong L-Pro (L-Professional) filter is designed to improve the visibility of various deepsky objects. By selective...

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    Original price $271.82 - Original price $271.82
    Original price $271.82
    $271.82
    $271.82 - $271.82
    Current price $271.82
  • Optolong 2" LRGB Filter Set - ProAstroz
    Optolong 2" LRGB Filter Set - ProAstroz
    Sold out - more on the way!
    Original price $499.09 - Original price $499.09
    Original price $499.09
    $499.09
    $499.09 - $499.09
    Current price $499.09

    Optolong 2" LRGB Filter Set

    ProAstroz

    1. Optolong LRGB Introduction Optolong LRGB filter set is designed for maximum contrast and with extremely high gradients for clear differentiatio...

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    Original price $499.09 - Original price $499.09
    Original price $499.09
    $499.09
    $499.09 - $499.09
    Current price $499.09
    Sold out - more on the way!
  • Telescope Filter Drawer System with 2 Drawers - 2" Filter - M48 / M42 connection - ProAstroz
    Telescope Filter Drawer System with 2 Drawers - 2" Filter - M48 / M42 connection - ProAstroz
    Save $18.18 Save $0.00
    Original price $171.82
    Original price $171.82 - Original price $171.82
    Original price $171.82
    Current price $153.64
    $153.64 - $153.64
    Current price $153.64

    Telescope Filter Drawer System with 2 Drawers - 2" Filter - M48 / M42 connection

    ProAstroz

    This all-metal filter drawer system allows you to quickly change filters without adding a bulky filter wheel to your system. The drawers are magnet...

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    Original price $171.82
    Original price $171.82 - Original price $171.82
    Original price $171.82
    Current price $153.64
    $153.64 - $153.64
    Current price $153.64
    Save $18.18 Save $0.00
  • 1.25" LRGB Filter set for telescope Deep Sky & Planetary Astronomy imaging - ProAstroz
    1.25" LRGB Filter set for telescope Deep Sky & Planetary Astronomy imaging - ProAstroz
    Sold out - more on the way!
    Original price $126.36 - Original price $126.36
    Original price $126.36
    $126.36
    $126.36 - $126.36
    Current price $126.36

    1.25" LRGB Filter set for telescope Deep Sky & Planetary Astronomy imaging

    ProAstroz

    This filter set is the OEM (Original Equipment Manufacturer) version of the ZWO 1.25" filters (SKU: ZWO LRGB1.25NEW): in practice this means they ...

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    Original price $126.36 - Original price $126.36
    Original price $126.36
    $126.36
    $126.36 - $126.36
    Current price $126.36
    Sold out - more on the way!
  • 1.25" UHC Filter for telescope eyepiece - Cuts light pollution deep sky astronomy - ProAstroz
    1.25" UHC Filter for telescope eyepiece - Cuts light pollution deep sky astronomy - ProAstroz
    Original price $40.91 - Original price $40.91
    Original price $40.91
    $40.91
    $40.91 - $40.91
    Current price $40.91

    1.25" UHC Filter for telescope eyepiece - Cuts light pollution deep sky astronomy

    ProAstro

    UHC Ultra High Contrast Filter - 1.25" Telescope Eyepiece Filter High Contrast Cuts Sky Light Pollution The UHC filter is the best all-around dark-...

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    Original price $40.91 - Original price $40.91
    Original price $40.91
    $40.91
    $40.91 - $40.91
    Current price $40.91
  • 2" Skyglow & Moon filter for telescope eyepiece - ProAstroz
    Original price $31.82 - Original price $31.82
    Original price $31.82
    $31.82
    $31.82 - $31.82
    Current price $31.82

    2" Skyglow & Moon filter for telescope eyepiece

    ProAstroz

    2" Skyglow & Moon filter for telescope eyepiece  Specifications: 2" - standard large filter thread Reduces glare for the observation of the mo...

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    Original price $31.82 - Original price $31.82
    Original price $31.82
    $31.82
    $31.82 - $31.82
    Current price $31.82
  • 1.25" Skyglow & Moon filter for telescope eyepiece - ProAstroz
    1.25" Skyglow & Moon filter for telescope eyepiece - ProAstroz
    Original price $17.23 - Original price $17.23
    Original price $17.23
    $17.23
    $17.23 - $17.23
    Current price $17.23

    1.25" Skyglow & Moon filter for telescope eyepiece

    ProAstroz

    1.25" Skyglow & Moon filter for telescope eyepiece  Specifications: 1.25" - standard filter thread Reduces glare for the observation of the mo...

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    Original price $17.23 - Original price $17.23
    Original price $17.23
    $17.23
    $17.23 - $17.23
    Current price $17.23
  • Original price $535.45 - Original price $535.45
    Original price $535.45
    $535.45
    $535.45 - $535.45
    Current price $535.45

    Optolong L-Ultimate Filter for Deep Sky Imaging dual-band 3nm narrowband - 2"

    ProAstroz

    1.  L-Ultimate Introduction The latest from Optolong's range of Dual Band Narrowband filters is the Optolong L-Ultimate. It is designed to offer...

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    Original price $535.45 - Original price $535.45
    Original price $535.45
    $535.45
    $535.45 - $535.45
    Current price $535.45
  • Sold out - more on the way!
    Original price $1,726.36
    Original price $1,726.36 - Original price $1,726.36
    Original price $1,726.36
    Current price $1,177.27
    $1,177.27 - $1,177.27
    Current price $1,177.27

    Optolong 3nm Ultra Narrowband 2" SHO Filter Set

    ProAstroz

    New 3nm Ultra Narrowband Astronomy Filters from Optolong Narrowband filter set including SII (S) 3nm, Ha (H) 3nm and OIII (O) 3nm filters. Narrowba...

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    Original price $1,726.36
    Original price $1,726.36 - Original price $1,726.36
    Original price $1,726.36
    Current price $1,177.27
    $1,177.27 - $1,177.27
    Current price $1,177.27
    Sold out - more on the way!
  • Original price $17.23 - Original price $17.23
    Original price $17.23
    $131.82 - $217.27
    $131.82 - $217.27
    Current price $131.82

    BAADER Neodymium Moon & Skyglow Filter

    ProAstroz

    Features enhanced 'Phantom' coatings with UV/IR cut for even better performance. Intensifies surface details on Mars, Jupiter and Moon – and enhan...

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    Original price $17.23 - Original price $17.23
    Original price $17.23
    $131.82 - $217.27
    $131.82 - $217.27
    Current price $131.82