ZWO 1.25'' Helical Focuser
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 ZWO 1.25'' Helical FocuserZWO 1.25'' Helical Focuser 

ZWO 1.25" Helical Focuser

£59.00
  (3 Reviews)
✓ 2 year warranty

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Out of stock due 7-10 working days
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About this product

Model:  zwo_hf125
Part Number:  ZWO-HF1.25

New Helical Focuser from ZWO

Non rotating helical focuser suitable for use with ZWO's Off Axis guider and the Mini cameras.

 

 

Customer reviews

Average Rating (3 Reviews):  
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Rating (max 5):  
Time Saving easy focusing
Friday, 25 September 2020  | 

If you've tried to adjust OAG focusing in the past with an alan key in the dark you will know how annoyingly tedious it can be and the worst thing that can happen is the camera and OAG fitting can just fall off to the ground if you don't support it while adjusting.
With the Helical Focuser getting parfocal is much easier and faster:
1. Use a Tablet with ASICAP, connect an OTG to both the Guide and imaging CCD.
2. Focus the Imaging CCD with the main focuser.
3. Switch ASICAP to the Guide camera, and focus the guide with the helical focuser.

All complete in just about a minute or two.


Rating (max 5):  
Excellent Build Quality
Friday, 24 April 2020  | 

This is a really great bit of kit. Nice and sturdy, feels high quality as soon as you pick it up. Threads are nice and clean and the movement is beautifully smooth but with enough tension to make small adjustments easy. I'm not sure why the graduations go all the way to 9 because the adjustment is limited fro 0-6 which I guess are tied to the 6mm stroke. Maybe the small screw allows you to release and reset the location of the markings but i dont see mcuh point.

But that does not take away from what is an excellent, well built focuser.


Rating (max 5):  
Oh good lord !
Monday, 27 January 2020  | 

It works !. Took me no more than 40 seconds to match my focus - ok maybe 1 minute 40. Worth every penny !

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