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365Astronomy 1.25" Non-rotating Helical Micro Focuser with T-thread and 0.05mm Scale

365Astronomy 1.25" Non-rotating Helical Micro Focuser with T-thread and 0.05mm Scale
-19 %
365Astronomy 1.25" Non-rotating Helical Micro Focuser with T-thread and 0.05mm Scale
£38.89
£48.00
Ex Tax: £32.41
  • Stock: 10
  • Model: VSCF36503-HELICAL
  • Shipping Weight: 0.18kg
  • SKU: VSCF36503-HELICAL
  • GTIN: 0702403401179
  • MPN: VSCF36503-HELICAL
  • Location: C17

Non-turning Helical Microfocuser with Male T-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 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
M31 to T-thread adapter included

General Information
Weight in Kg0.18

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