Baader VariLock 29 Lockable T-2 Extension Tube

Baader VariLock 29 Lockable T-2 Extension Tube

£46.00
  (3 Reviews)
✓ 2 year warranty

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About this product

Model:  baader-2956929
Part Number:  2956929

Baader VariLock 29 Lockable T2 Extension Tube (2956929)

Baader T-2 VariLock extensions are two infinitely adjustable rings in the T-2 System. By loosening then after adjustment locking the clamp ring the extension tubes can be adjusted to the desired length by using a millimetre scale. All necessary tools (allen key, hook wrench) are included.

VariLock is an ideal tool for setting the exact focus at distances when using field correctors with critical focus position.

This Lockable T-2 Extension Tube can be adjusted between 20 mm and 29 mm with clamping and Allen key.

Technical specifications

  • Telescope side connection: female T-2 thread (M42 x 0.75)
  • Eyepiece/camera side connection: male T-2 thread (M42 x 0.75) or T-2 ring dovetail 52 x 6.5mm for Baader bayonet adapter
  • Optical length: 20-29 mm adjustable over a millimetre scale
  • Outside diameter: 50.8mm / 2"
  • Inside diameter: 38mm when T-2 thread inserted, 41mm when the 52mm dovetail ring inserted

Customer reviews

Average Rating (3 Reviews):  
Write a Review and share your opinions!

Rating (max 5):  
Good , but expensive
Wednesday, 13 February 2019  | 

Do what I need but expensive ! , The only problem is: I buy to use with a ZWO 1,25 filter wheel and the 42m screw was to deep u touch the filters , so I have to buy t2 spacers to avoid this situation , 4 stars because of price and baader have to sell this spacers for wall application , in my case was only a 1mm spacer


Rating (max 5):  
Made my life much easier.
Thursday, 20 September 2018  | 

I was having problems setting my coma corrector back focus to account for my 3mm thick Astrodon filters. Using this I made something like 30 fine adjustments to the coma corrector spacing before I was satisfied. Yes I could have used spacers but that would have driven me mad. One Star dropped for pricing.


Rating (max 5):  
Massively flexible (in a good way!) and high quality.
Monday, 17 September 2018  | 

Really good quality, and lock firmly with no flexture, which I was a little worried about. I'll probably end up buying its big brother too. Highly recommended.

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