Alpine Astronomical Baader Blue Colored Bandpass Eyepiece Filter (1.25")

Alpine Astronomical Baader Blue Colored Bandpass Eyepiece Filter (1.25")

Alpine Astronomical Baader Blue Colored Bandpass Eyepiece Filter (1.25")

B&H # ALFCFB1 MFR # FCFB-1
Alpine Astronomical Baader Blue Colored Bandpass Eyepiece Filter (1.25")

Alpine Astronomical Baader Blue Colored Bandpass Eyepiece Filter (1.25")

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Expected availability: 7-14 business days

Product Highlights

  • Planetary Viewing/Imaging Filter
  • 470nm Wavelength Bandpass
  • 1.25" Eyepiece Threads
  • 7-Layer Anti-Reflection Multi-Coated
  • No Reflections, Scatter or Image Dimming
  • Planeoptically Polished Optical Glass
  • 70% Throughput Transmission
  • Blackened Aluminum Frame
  • Stackable with Other Filters
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Color: Blue, 470nm

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Size: 1.25"

1.25" 2"

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$0.00 Tax Collected Outside NY and NJ

You Pay: $41.00

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Alpine Astronomical FCFB-1 overview

  • 1Description

Centered on the 470nm wavelength, the Alpine Astronomical Baader Blue Colored Bandpass Eyepiece Filter can be used by itself or stacked with other filters to enhance your observations when viewing or imaging comets or planets such as Venus, Mars, Jupiter, and Saturn. The optical glass filter is planeoptically polished and treated with seven-layer Phantom Group anti-reflection multi-coatings to improve contrast and clarity while eliminating reflections, scattering, or image dimming. Holding the filter is an black anodized aluminum frame made to fit standard 1.25" eyepieces and other accessories such as diagonals and Barlows.

Use
  • For visual and photographic planetary use
  • Observe high clouds on Mars, enhances contrast of hazes on terminator of Mars
  • Appears to make reddish structures darker—ideal for observing the Great Red Spot on Jupiter
  • Shows Saturn rings better
  • Monitor the structures in the atmosphere of Venus
  • Highlights the fine details in gas tails produced by comets
  • 70% average transmission bandpass throughput
In the Box
Alpine Astronomical Baader Blue Colored Bandpass Eyepiece Filter (1.25")
  • Plastic Case
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description

    Alpine Astronomical FCFB-1 specs

    Size 1.25"
    Filter Factor Blue, 470nm wavelength
    Multi-Coated Yes
    Rotating No
    Application Lunar and planetary viewing and imaging
    Construction Glass filter, aluminum frame
    Front Filter Thread Size 1.25"
    Weight 2.1 oz / 59.0 g
    Packaging Infozvsyczarfeasbufvttuv
    Package Weight 0.045 lb
    Box Dimensions (LxWxH) 3.25 x 2.85 x 0.8"

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