Accessories

Showing 1 to 20 of 66 total
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  1. Optec - Astrodon Clear filter with UV blocking, 50mm dia., 2mm thick.

    $225.00
    SKU: OPT-19436

    Estimated shipping time is 3-5 Days

    Astrodon Photometrics UVBRcIc filters adhere to the Johnson/Cousins designs as
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  2. Astrodon - 50mm Unmounted Narrowband H-Alpha 3 nm Filter

    $1,145.00
    SKU: ADO-HA3-50R

    This Item Will Be Available in 2-3 Months

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

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  3. Optec - Precision Clear filter for use with Bessell set URBVRI - 50mm Unmounted

    $95.00
    SKU: OPT-17251

    Estimated shipping time is 3-5 Days

    Optec - Precision Clear filter for use with Bessell set
  4. Custom Scientific - UBVRI 50mm Unmounted Round Filter Set

    $1,550.00
    SKU: CUS-UBVRI50-SET

    Estimated shipping time is 3-5 Days

    Custom Scientific UBVRI filters have been used in institutions and observatories around the world such as Kitt Peak, Mauna Kea, and the CTIO/Chile.

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  5. Baader - H-beta 8.5nm CCD Narrowband-Filter 50.8mm Round

    $259.00
    SKU: BAA-FHBN-RD50

    More on the way - Although this item is temporarily on Back order, you can order it now and it will ship as soon as it arrives. Your card will only be charged once item is shipped.

    CCD imagers will find Baader's Premium Narrowband CCD passfilters to deliver the absolute highest contrast deep sky images in H-Alpha, H-Beta, Oxygen III, and Sulfur-II, with the shortest exposures possible
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  6. Astronomik - UHC Filter - 50mm Round Unmounted

    $199.95
    SKU: ASN-UHC-50R

    Estimated shipping time is 3-5 Days

    • Transmission of nearly 100-percent of O-III and H-beta
    • Transmission of 96-percent of H-alpha
    • Entire blocking of annoying wavelengths
    • Ideal all-round Deep Sky filter even for small telescopes
    • Not sensitive to humidity or aging
    • Scratch-resistant!
    • Excellent carrier material. The optical performance of your telescope is not reduced by the filter in any way.
    • Parfocal with other Astronomik filters
    • Glass thickness: 1 mm
    • Diffraction limited, the filter will not reduce the optical performance of your telescope!
    • Astronomik filters are delivered in a high-quality, long lasting, filter box
  7. Astrodon - 50mm Unmounted Narrowband Square SII 5 nm Filter

    $1,024.00
    SKU: ADO-SII5-50S

    This Item Will Be Available in 2-3 Months

    When it comes to Narrowband filters, no one knows more or does it better than Don Goldman of Astrodon Filters. Narrowband (NB) filters enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII, 501 nm), sulfur (SII, 672nm) and others.

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  8. Astrodon - 50mm Unmounted Photometric UVBRIc Johnson/Cousins UV Edge Blackened Filter

    $500.00
    SKU: ADO-UV-50R

    This Item Will Be Available in About 10 Days

    UVBRI filters have been the standard for photometric measurements for decades.  They have evolved over time as technology changed.

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  9. Astrodon - 50mm Unmounted Photometric Sloan Gen2 u' Edge Blackened Filter

    $500.00
    SKU: ADO-U2-50R

    This Item Will Be Available in 1-2 Weeks

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

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  10. Astrodon - 50mm Unmounted Narrowband Red Continuum 5nm Filter

    $870.00
    SKU: ADO-RedCon5-50R

    This Item Will Be Available in 2-3 Months

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII, 501 nm), sulfur (SII, 672nm) and others.

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  11. Astrodon - 50mm Unmounted Photometric Sloan Gen2 z_s Edge Blackened Filter

    $500.00
    SKU: ADO-z-s2-50R

    This Item Will Be Available in 1-2 Weeks

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

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  12. Chroma Technology - 50mm Unmounted Ha 8nm Narrowband Filter

    $455.00
    SKU: CHR-HA/8-50U

    More on the way - Although this item is temporarily on Back order, you can order it now and it will ship as soon as it arrives. Your card will only be charged once item is shipped.

    The Chroma Technology h-alpha filters are excellent for imaging high ionized hydrogen objects such as nebulae. This is required at 656.3nm to keep the H-Alpha and SII doublet wavelengths separate.

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  13. Baader - UHC-S Nebula Filter 50.4mm Round, L-Booster

    $184.00
    SKU: BAA-FUHC-RD50

    More on the way - Although this item is temporarily on Back order, you can order it now and it will ship as soon as it arrives. Your card will only be charged once item is shipped.

    The Baader Planetarium UHC-S Nebula filter excels at delivering a high-contrast and natural view of emission nebula - without excessive dimming and loss of background star fields.

  14. Baader - UV / IR Cut / L-Filter 50.4mm (3mm glass thickness) Round

    $156.00
    SKU: BAA-FUVIR-RD50

    More on the way - Although this item is temporarily on Back order, you can order it now and it will ship as soon as it arrives. Your card will only be charged once item is shipped.

    Baader Planetarium has introduced the world's finest UV/IR cut filter. This filter is a must for all digital imaging with Digital Cameras, CCD Cameras, and modified WebCams
  15. Astrodon - 50mm Tru-Balance Generation 2 Luminance Filter

    $318.00
    SKU: ADO-L2-50R

    This Item Will Be Available in 2-3 Months

    Astrodon Tru-Balance LRGB filters have completely transformed CCD imaging. These filters are in high demand due to their straightforward use, and high optical throughput providing excellent colors for galaxies, star clusters and nebulae.

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  16. Astrodon - 50mm Unmounted Photometric Sloan Gen2 i' Edge Blackened Filter

    $500.00
    SKU: ADO-I2-50R

    This Item Will Be Available in 1-2 Weeks

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

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  17. Astrodon - 50mm Unmounted Narrowband NII 3 nm Filter

    $1,145.00
    SKU: ADO-NII3-50R

    This Item Will Be Available in 2-3 Months

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

    FREE SHIPPING(48 States)
  18. Baader - 50.4mm Round LRGBC Filters - UV/IR Cut L-Filter and Clear Filter

    $749.00
    SKU: BAA-FLRGBC-RD50

    More on the way - Although this item is temporarily on Back order, you can order it now and it will ship as soon as it arrives. Your card will only be charged once item is shipped.

    The Baader Planetarium LRGBC CCD Filter Set conveys enhanced color separation and picture quality without annoying halos. Baader has made phenomenal CCD filters through an expansive coating-stack design and testing program.

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  19. Baader - H-Alpha 35nm CCD Filter, 50.4 x 3mm Round

    $214.00
    SKU: BAA-FHAL-RD50

    More on the way - Although this item is temporarily on Back order, you can order it now and it will ship as soon as it arrives. Your card will only be charged once item is shipped.

    Baader's new H-Alpha passfilter enables high-contrast deep sky images of H-II regions (such as the N. American Nebula).

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  20. Baader - H-alpha 7nm CCD Narrowband-Filter 50.8mm round

    $354.00
    SKU: BAA-FHALN-RD50

    More on the way - Although this item is temporarily on Back order, you can order it now and it will ship as soon as it arrives. Your card will only be charged once item is shipped.

    CCD imagers will find Baader's Premium Narrowband CCD passfilters to deliver the absolute highest contrast deep sky images in H-Alpha, H-Beta, Oxygen III, and Sulfur-II, with the shortest exposures possible
    FREE SHIPPING(48 States)
Showing 1 to 20 of 66 total
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While many telescopes include some accessories to help you get out and observing right away, imaging systems in particular are often in need of additional accessories to help make the imaging or observing experience more enjoyable or to expand your telescope, mount or camera's abilities. Here you'll find telescope Wifi adapters and GPS modules, dovetail and saddle plates, tube rings and mount adapters, collimation tools, replacement knobs and brackets, finders and flashlights along with polar alignment tools, camera adapters, reducers, flatteners, filters and filter wheels.