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

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

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

B&H # ALFCFG1 MFR # FCFG-1
Alpine Astronomical Baader Green Colored Bandpass Eyepiece Filter (1.25")

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

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Product Highlights

  • Planetary Viewing/Imaging Filter
  • 500nm 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: Green, 500nm

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Size: 1.25"

1.25" 2"

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  • 1Description

Centered on the 500nm wavelength, the Alpine Astronomical Baader Green Colored Bandpass Eyepiece Filter can be used by itself or stacked with other filters to enhance your observations when viewing the moon or planets such as 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
  • Provides the sharpest images with achromatic refractors
  • Improves the visibility of CO2 hoarfrost and ground fog on Mars
  • Increases contrast between red and blue regions on Jupiter and Saturn
  • Provides the best contrast for lunar craters Tyco, Copernicus, and Kepler
  • 70% average transmission bandpass throughput
In the Box
Alpine Astronomical Baader Green Colored Bandpass Eyepiece Filter (1.25")
  • Plastic Case
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description
    Size 1.25"
    Filter Factor Green, 500nm 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 Infoayqayqbayucwbc
    Package Weight 0.1 lb
    Box Dimensions (LxWxH) 3.2 x 3.0 x 0.9"
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