Alpine Astronomical Baader 2" NX4/C90/ETX Expansion Ring (Matte Black)

BH #ALNX4SC • MFR #NX4-SC
Alpine Astronomical
Alpine Astronomical Baader 2" NX4/C90/ETX Expansion Ring (Matte Black)
Key Features
  • Baader 2958500A Expansion Ring
  • Meade ETX/Celestron NexStar 4 Conversion
  • Converts 1.4" Male to 2" Female Thread
  • 1.4" Female Thread on Telescope End
Use the Baader 2" NX4/C90/ETX Expansion Ring from Alpine Astronomical to connect components with 1.4" male threads to devices with 2" female threads. It is compatible with the Meade ETX and Celestron NexStar 4 telescopes but will also work with the Celestron C90 spotting scope.
Special Order
Expected availability: 7-14 business days
$35.00

Alpine Astronomical Baader 2" NX4/C90/ETX Expansion Ring (Matte Black)

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Alpine Astronomical NX4-SC Overview

Use the Baader 2" NX4/C90/ETX Expansion Ring from Alpine Astronomical to connect components with 1.4" male threads to devices with 2" female threads. It is compatible with the Meade ETX and Celestron NexStar 4 telescopes but will also work with the Celestron C90 spotting scope.

Alpine Astronomical NX4-SC Specs

CompatibilityMeade ETX, Celestron NexStar 4 telescopes
Celestron C90 spotting scope
Threads1.4" female thread
2" male thread
M28.5 thread for 1.25" filters
DimensionsInner Diameter: 1.1" / 28.0 mm
Outer Diameter: 2.2" / 56.0 mm
Optical Path Length: 1.0" / 2.5 cm
Weight1.97 oz / 56.0 g
Packaging Info
Package Weight0.145 lb
Box Dimensions (LxWxH)2.6 x 2.4 x 0.85"
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