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filters

Baader Double Polarizing Filter 1¼" - FPOL-1D

Baader Planetarium   ——   SKU: BAA-FPOL-1D
$130.00 CAD
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Baader Double Polarizing Filter 1¼"

  • Baader Double 1.25" Polarizing Filter - Ideal for solar and planetary observations.
  • For solar work in conjunction with Baader AstroSolar Safety Film or Baader Herschel Wedge Prism (never use any eyepiece filter for solar observation without objective front filter).
  • Enhances contrast during planetary observation.
  • Sealed coating edges prevent air or moisture from entering.

The filter can also be used with a Baader Hershel Wedge to provide an adjustable brightness. Positioned between the Baader Hershel Wedge and Eyepiece the filter/eyepiece combination can then be rotated to adjust brightness.  To screw into 1¼ or 2" eyepieces/threads. Useful in Lunar and Solar observations to limit brightness and increasing contrast. Polarizes the transmitted light.

The filter can also be unscrewed. A filter has a normal version, the other rotatable. The filter with the normal version can be used as normal single polarization filter which is useful for a Herschel Wedge.

Specifications:

MANUFACTURER Baader Planetarium
SKU (#) 2408340
WEIGHT (KG) 0.042
TRANSMISSION RANGE full Spectrum
FILTER THICKNESS (WITHOUT CELL) 2 mm
AR-COATING Phantom Coating® Group, planeoptically polished
SPECIAL FEATURES double polarizing filter for stepless brightness adjustment
FILTER SIZE 1¼"
VISUAL OR IMAGING? visual, imaging
FILTER USAGE Lunar, Planetary, Solar, Specialty
FILTER MOUNTED Mounted (LPFC 6mm)
TYPE OF FILTER Neutral Density, Polarizing
SINGLE OR SET? Single Filter
FILTER SHAPE round
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