8 items found from eBay international sellers

  • Planetary Moon 1.25" Telescope Eyepiece Filter No 21 Orange Double Threaded

    Sharpens the boundaries along the plains of Mars due to the reduction of blue/green transmissions. Use on Jupiter and Saturn to enhance detail in the belts and polar regions. 1x Filter No.21. Effectively reduce glare and light scattering, increase contrast and definition, and lessen eye fatigue.
    $14.61
    From United Kingdom
    $12.31 shipping
    Brand: Unbranded
  • GSO 1.25" Color / Planetary Filter - #21 Orange

    GSO's 1.25" color/planetary filters are manufactured from the purest optical glass and are dyed-in-the-mass (not simply "color coated") for premium performance. Each filter cell has a male and female 1.25" filter thread (M28.5x0.6) on opposite sides, so multiple filters can be stacked to achieve selective filtration of the visual color spectrum.
    $13.50
    Color: #21 Orange
    $2.66 shipping
    Guaranteed by Fri, Dec 21
  • Lumicon Color / Planetary Filter #21 Orange - 2" # LF2030

    Manufacturer part number: LF2030. Lumicon Color Filters are made from renowned Schott and Hoya optical glass and allow for maximum contrast on viewing planetary and lunar detail. Clear aperture = 43.75mm (1.72"); Weight = 0.5oz.; Filters feature standard male and female 2" astronomy filter threads (M48x0.75) on either side and can be stacked; Total length of filter cell (including threads) = 10mm (0.39").
    $63.00
    Brand: Lumicon
    $2.92 shipping
    Color: #21 Orange
    Guaranteed by Fri, Dec 21
  • Lumicon Color / Planetary Filter #21 Orange - 1.25" # LF1030

    Manufacturer part number: LF1030. Lumicon Color Filters are made from renowned Schott and Hoya optical glass and allow for maximum contrast on viewing planetary and lunar detail. Clear aperture = 26.6mm (1.05"); Weight = 0.2oz.; Filters feature standard male and female 1.25" astronomy filter threads (M28.5x0.6) on either side and can be stacked; Total length of filter cell (including threads) = 10mm (0.39").
    $45.00
    Brand: Lumicon
    $2.66 shipping
    Color: #21 Orange
    Guaranteed by Fri, Dec 21
  • GSO 2" Color / Planetary Filter - #21 Orange

    GSO's 2" color/planetary filters are manufactured from the purest optical glass and are dyed-in-the-mass (not simply "color coated") for premium performance. Each filter cell has a male and female 2" filter thread (M48x0.75) on opposite sides, so multiple filters can be stacked to achieve selective filtration of the visual color spectrum.
    $25.00
    Color: #21 Orange
    $2.66 shipping
    Guaranteed by Fri, Dec 21
  • Agena 2" Color / Planetary Filter for Telescope - #21 Orange

    Agena's 2" color/planetary filters are manufactured from the purest optical glass and are dyed-in-the-mass (not simply "color coated") for premium performance. Each filter cell has a male and female 2" filter thread (M48x0.75) on opposite sides, so multiple filters can be stacked to achieve selective filtration of the visual color spectrum.
    $21.00
    Color: #21 Orange
    $2.79 shipping
    Guaranteed by Fri, Dec 21
  • Lumicon Planetary / Color Filter #21 Orange - 2" #LF2030

    Manufacturer Part Number - LF2030. Lumicon Planetary / Color Filter #LF2030. Lumicon Color Filters allow for maximum contrast on viewing planetary and lunar detail. It's precisely polished and coated with maximum light transmission coatings by advanced plasma technology on both sides.
    $40.00
    Brand: Lumicon
    Free shipping
    Size: 2.0 inColor: #21 Orange
  • Filters 1.25" Color / Planetary For Telescope - 21 Orange

    This kind of Filters are made from renowned Schott and Hoya optical glass and allow for maximum contrast on viewing planetary and lunar detail. Perfectly neutral color will alter the natural color of the Moon.
    $20.40
    Color: #21 Orange
    FAST 'N FREE
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