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Price:  £39.00Baader T-thread to 1.25" Helical Focuser

Baader T-thread to 1.25'' Helical Focuser
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In stock - Delivery 1-3 working days.

Model:  baader-2458125
Part Number:  2458125
Brand:  Baader


Baader T2 Extension TubeBaader T2 Extension Tube

Precise helical focuser screws onto a male T-thread and accepts 1.25-inch fitting eyepieces and accessories.

An excellent choice for fitting a guide cameras to an Off Axis Guider with a T-thread. 

Features

  • 6mm focus travel.
  • Optical depth ranges from 28mm to 34mm.
  • Brass compression ring with three thumbscrews for a secure fit without marring.
  • Very precise, one turn gives just 4mm of focus travel.

Note: Helical focusers rotate, this needs to be be considered when used with cameras.

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Baader T-thread to 1.25 Helical Focuser
Wednesday, 8 January 2014  | 

This is an excellent piece of kit. I bought it to improve the focusing on a standard Synta style R&P rather than go to the expense of a aftermarket Crayford. It works a treat, is lightweight & doesn't add much to the optical path. Moreover, it's very well made & has a really smooth action. It does rotate but if you're only using an eyepiece in it, then it doesn't matter.

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