Astrodon

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  1. Astrodon - 50mm Unmounted Photometric Sloan Square Gen2 r' Edge Blackened Filter

    $440.00
    SKU: ADO-R2-50S

    Wait Time is 3-5 Days

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

    FREE SHIPPING(48 States)
  2. Astrodon - 1.25" Mounted Photometric Sloan Gen2 i' Edge Blackened Filter

    $200.00
    SKU: ADO-I2-27R

    Wait Time is 3-5 Days

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

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

    $400.00
    SKU: ADO-I2-50R

    Wait Time is 3-5 Days

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

    FREE SHIPPING(48 States)
  4. Astrodon - 50mm Unmounted Photometric Sloan Square Gen2 i' Edge Blackened Filter

    $440.00
    SKU: ADO-I2-50S

    Wait Time is 3-5 Days

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

    FREE SHIPPING(48 States)
  5. Astrodon - 1.25" Mounted Photometric Sloan Gen2 z' Edge Blackened Filter

    $200.00
    SKU: ADO-Z2-27R

    Wait Time is 3-5 Days

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

  6. Astrodon - 50mm Unmounted Photometric Sloan Gen2 z' Edge Blackened Filter

    $400.00
    SKU: ADO-Z2-50R

    Wait Time is 3-5 Days

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

    FREE SHIPPING(48 States)
  7. Astrodon - 50mm Unmounted Photometric Sloan Square Gen2 z' Edge Blackened Filter

    $440.00
    SKU: ADO-Z2-50S

    Wait Time is 3-5 Days

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

    FREE SHIPPING(48 States)
  8. Astrodon - 1.25" Mounted Photometric Sloan Gen2 z_s Edge Blackened Filter

    $200.00
    SKU: ADO-z-s2-27R

    Wait Time is 3-5 Days

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

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

    $400.00
    SKU: ADO-z-s2-50R

    Wait Time is 3-5 Days

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

    FREE SHIPPING(48 States)
  10. Astrodon - 50mm Unmounted Photometric Sloan Gen2 z_s Edge Blackened Square Filter

    $440.00
    SKU: ADO-z-s2-50S

    Wait Time is 3-5 Days

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

    FREE SHIPPING(48 States)
  11. Astrodon - 1.25" Mounted Photometric Sloan Gen 2 Y Filter

    $200.00
    SKU: ADO-Y2-27R

    Wait Time is 3-5 Days

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

  12. Astrodon - 50mm Unmounted Photometric Sloan Gen 2 Y Filter

    $400.00
    SKU: ADO-Y2-50R

    Wait Time is 3-5 Days

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

    FREE SHIPPING(48 States)
  13. Astrodon - 50mm Unmounted Photometric Sloan Square Gen 2 Y Filter

    $440.00
    SKU: ADO-Y2-50S

    Wait Time is 3-5 Days

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

    FREE SHIPPING(48 States)
  14. Astrodon - 50mm Unmounted Photometric Sloan Square Gen2 g' Edge Blackened Filter

    $440.00
    SKU: ADO-G2-50S

    Wait Time is 3-5 Days

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

    FREE SHIPPING(48 States)
  15. Astrodon - 50mm Unmounted Photometric UVBRIc Johnson/Cousins Rc Edge Blackened Filter

    $400.00
    SKU: ADO-RC-50R

    Wait Time is 3-5 Days

    Astrodon Photometrics - UVBRI filters have been the standard for photometric measurements for decades.

    FREE SHIPPING(48 States)
  16. Astrodon - 50mm Unmounted Photometric UVBRIc Square Johnson/Cousins Rc Edge Blackened Filter

    $440.00
    SKU: ADO-RC-50S

    Wait Time is 3-5 Days

    UVBRI filters have been the standard for photometric measurements for decades.  They have evolved over time as technology changed.  H. Johnson in the 1950s and A.W.J. Cousins in the 1970s designed these filters for photomultiplier tubes (PMT).

    FREE SHIPPING(48 States)
  17. Astrodon - 1.25" Mounted Photometric UVBRIc Johnson/Cousins Rc Edge Blackened Filter

    $200.00
    SKU: ADO-RC-27R

    In stock

    UVBRI filters have been the standard for photometric measurements for decades.  They have evolved over time as technology changed.  H. Johnson in the 1950s and A.W.J. Cousins in the 1970s designed these filters for photomultiplier tubes (PMT).

  18. Astrodon - 31mm Mounted Inserts Gen2 I-Series LRGB Set

    $525.00
    SKU: ADO-LRGB2-I31R

    Wait Time is 3-5 Days

    FREE SHIPPING(48 States)
  19. Astrodon - 50mm Unmounted NIR Square Luminance Filter

    $525.00
    SKU: ADO-NIRL-50S

    Wait Time is 3-5 Days

    The NIR region remains largely unexplored by amateur imagers. Perhaps this is due to the impression that the Si CCD camera is not sufficiently sensitive in the NIR.

    FREE SHIPPING(48 States)
  20. Astrodon - Camera Side Adaptor with Thicker 0.2'' Backfocus for Newer Apogee Filter Wheels

    $105.00
    SKU: ADO-MMOAG-CFW-A

    Wait Time is 3-5 Days

    This Astrodon Monster MOAG Adapter was designed for theApogee AFW50 (6/09 & Later). Camera side adapter with thicker 0.2" backfocus for newer Apogee filter wheels.

    Please note that any MonsterMOAG 3" dovetail adapter will work on the camera side of the MegaMOAG.

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Like many successful ventures, Astrodon can trace its roots to one individual’s desire to fill a void in the marketplace. Astrophotography hobbyist Don Goldman wanted to capture some of the night sky’s most beautiful offerings in vivid color but was frustrated by the limitations of the RGB filters available in the early 2000s. Goldman became driven to simplify the imaging process so he set out to create high performing, color-balanced RGB filters that would eliminate extra steps in an already meticulous process. In 2003, he began manufacturing his signature LRGB filter design and Astrodon was born. Since then, Astrodon has expanded its offerings to include narrowband filters, research-grade photometric filters and off-axis guiding hardware to enhance the CCD astro-imaging experience. Now a leader in the premium astrophotography filter market, the company’s unwavering commitment to quality is reflected both in its choices — like the use of 100 percent hard-oxide sputtered coatings — and its increasing use at professional facilities like the famous Palomar Observatory.