Red 610nm longpass filter with steep absorption edge. 

  • Passes the H-alpha line from the visible spectrum.
  • Blue and Green lights is almost completely blocked increasing contrast between the light and dark bands on Jupiter and Saturn.
  • Most interesting filter to use for observing the polar caps of Mars.
  • An optimum filter for daily observation of all the planets.
  • Multi-coated for max contrast – no reflections, scatter or dimming.
  • Planeoptically polished to within 30 seconds of arc for a sharp image at high magnification with non-ageing sealed coating edges.
  • Both sides 7-layer AR coating with only 0.25% residual reflection per surface. This is the most antireflective that has ever been undertaken with color filters.
BAA2458307 Characteristics
BAA2458307 Longpass Characteristics

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Baader Colour Filter Red 1¼” (610nm) Long Pass

SKU: BAA2458307

$85.00

Available on back-order

✅ Expert Advice
✅ Australian Owned
✅ Lifetime Technical Support

    Need Expert Advice?

    Visual Astronomy, Astrophotography, Microscopy and Macro Photography can be a little complicated sometimes as there are a lot of options. If you'd like to check something before you purchase just let us know and we'd be happy to help!

    Enquire now or call us (03) 9042 2293

    Baader Colour Filter Red 1¼” (610nm) Long Pass

    SKU: BAA2458307

    $85.00

    Available on back-order

    Red 610nm longpass filter with steep absorption edge. 

    • Passes the H-alpha line from the visible spectrum.
    • Blue and Green lights is almost completely blocked increasing contrast between the light and dark bands on Jupiter and Saturn.
    • Most interesting filter to use for observing the polar caps of Mars.
    • An optimum filter for daily observation of all the planets.
    • Multi-coated for max contrast – no reflections, scatter or dimming.
    • Planeoptically polished to within 30 seconds of arc for a sharp image at high magnification with non-ageing sealed coating edges.
    • Both sides 7-layer AR coating with only 0.25% residual reflection per surface. This is the most antireflective that has ever been undertaken with color filters.
    BAA2458307 Characteristics
    BAA2458307 Longpass Characteristics

    Reviews

    There are no reviews yet

    Be the first to review “Baader Colour Filter Red 1¼” (610nm) Long Pass”

    Your email address will not be published. Required fields are marked *

      Need Expert Advice?

      Visual Astronomy, Astrophotography, Microscopy and Macro Photography can be a little complicated sometimes as there are a lot of options. If you'd like to check something before you purchase just let us know and we'd be happy to help!

      Enquire now or call us (03) 9042 2293