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Baader 3" RT Spacer Tube with 4" Dovetail # FOC-SPCR 2957109

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Brand Baader Planetarium
Part Number 2957109
Availability available

Product Info

Manufacturer Description

The 3" RT Spacer allows changing back-focus by providing quick connect/disconnect spacing of the 3" RT Steeltrack Focuser (39mm spacing length).


  • 4" external dovetail on one side for attachment of 3" RT Steeltrack Focuser.
  • 4" internal dovetail receiver on opposite side, with 3 lock screws.
  • 39mm spacing length.
  • Baffled and blackened internal surface kills off-axis stray light.


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