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1.25" Non-rotating Helical Micro Focuser with M36.4 thread and 0.05mm Scale

1.25" Non-rotating Helical Micro Focuser with M36.4 thread and 0.05mm Scale
1.25" Non-rotating Helical Micro Focuser with M36.4 thread and 0.05mm Scale
£56.00
Ex Tax: £46.67
  • Stock: In Stock
  • Model: Lac-MicHel
  • Shipping Weight: 0.18kg
  • SKU: Lac-MicHel
  • GTIN: 0702403404835
  • MPN: Lac-MicHel
  • Location: D10-3

Non-turning Helical Microfocuser with M36.4 thread, 1.25" eyepiece holder with brass compression ring and 0.05mm scale for very precise focusing

The attached accessory (i.e. camera) stays in position when you turn the focusing as it is a non-rotating helical focuser.

Features of the Non-rotating Helical Focuser

2 x thumbscrews to hold the eyepiece
1 x thumbscrew to secure focusing position
T-thread at top end (eyepiece side) to attach a guide camera or other accessory
Extremely light: 92g
Optical length: 45 - 56mm (appr. 10.65mm focus travel)
Above optical length is shorter when you use a T-threaded accessory as you'll screw the accessory into the top of the focuser...

Telescope side thread is 31mm with 0.45mm pitch.
Internal diameter at telescope side: 27.5mm
M36x1 (36mm x 1mm pitch) threaded adapter to attach to a telescope is included.
If you wanted to attach it via T-thread or M48, we would recommend the following adapter:

M48 M48 Positive Converter with T2 and M36.4 Negative Threads

or

MicHelT2
 

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