Baader Planetarium

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1¼" Extension Tube – with 1¼" filter thread

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# 1905130
€19.00

Price excl. German VAT tax (19%): € 15.97

  • There is often a problem with off-axis systems or folding mirror attachments, where the receptacles of normal eyepieces is just 1-2cm too short to be able to adjust the sharpness level properly.
  • Optical path length 18.5mm
  • 1¼" filter thread on both sides and can be screwed into almost every 1¼" eyepiece.
  • The inner dimensions are prepared for holding the lenses of our glass path correctors 1:1.25 and 1:1.7

1¼" Extension Tube – with 1¼" filter thread

Product Details

  • SKU
    1905130
  • EAN Code
    4047825015136
  • Manufacturer
    Baader Planetarium

Ports & Compatibility

  • Compatible Brands
    Baader Planetarium
  • Inner Connection (eyepiece/-camera-sided)
    M28.5
  • Inner Connection (lens sided)
    M28.5
  • Outer Connection (eyepiece/-camera-sided)
    ø 1¼" (31.75 mm)
  • Outer Connection (lens sided)
    ø 1¼" (31.75 mm)
  • T-2 Part #
    05

Dimensions & Weight

  • Inner Diameter / Clear Aperture (mm)
    25
  • Net weight (kg)
    0.02
  • Outer Diameter
    31,75 (1¼")

Optical & Usage Specifications

  • Optical length (mm)
    18,5
  • Type of Adapter
    Extension
    Filter holder
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