Alpine Astronomical Baader 685nm IR-Pass Filter (1.25")

BH #ALFIRP1 • MFR #FIRP-1
Alpine Astronomical
Alpine Astronomical Baader 685nm IR-Pass Filter (1.25")
Key Features
  • Ideal for Planetary Viewing and Imaging
  • View in the Long Deep-Red Wavelength
  • IR Phantom-Group Optical Multi-Coatings
  • Passes the Narrow 685nm Bandwidth
Use the Alpine Astronomical Baader 685nm IR-Pass Filter to enhance the views and images of planets. Utilizing IR Phantom-Group optical multi-coatings, the filter only allows the narrow long deep red 685nm wavelength to pass through to your eye, minimizing the appearance of atmospheric turbulence during planetary viewing and imaging sessions. Views through the filter reveal dark structures on Mars, Jupiter, and the Moon with enhanced contrast. The filter is set in a 1.25" mount threaded to fit standard eyepieces.
In Stock
$91.00
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Alpine Astronomical FIRP-1 Overview

Use the Alpine Astronomical Baader 685nm IR-Pass Filter to enhance the views and images of planets. Utilizing IR Phantom-Group optical multi-coatings, the filter only allows the narrow long deep red 685nm wavelength to pass through to your eye, minimizing the appearance of atmospheric turbulence during planetary viewing and imaging sessions. Views through the filter reveal dark structures on Mars, Jupiter, and the Moon with enhanced contrast. The filter is set in a 1.25" mount threaded to fit standard eyepieces.

Alpine Astronomical FIRP-1 Specs

Packaging Info
Package Weight0.2 lb
Box Dimensions (LxWxH)4 x 3 x 1"
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