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  1. Hcsc Yz-18839 Aluminium Alloy 10Mm Focusing Stroke Inch Helical Fine Tuning 0.05Mm High Precision Focuser Size 1.25

  2. Double Helical Focuser 1.25 Inch Spiral Focuser Fine Helical Focuser NDE

    High precision double helical focuser for guider scope/finder scope Interface. Item type: Double Helical Focuser. 1.25" helical focuser, 10mm focusing stroke, lightweight. Lightweight and compact size, easy to carry and use.

    eBay

  3. Hcsc Yz-18839 Aluminium Alloy 10Mm Focusing Stroke Inch Helical Fine Tuning 0.05Mm High Precision Focuser Size 1.25

  4. High .25inch Helical Focuser with Brass Compression 1.25inch7696

    New double-helix focuser. High-precision double-helix focuser for guide mirror/finder interface. Top external thread M42x0.75. Minimum height 46mm. Bottom inner ring external thread M31x0.5.

    eBay

  5. New Svbony Double Helical Focuser High Precision For Telescope / Finder & Guidescope W/ Brass Compression Ring" Size 1.25

  6. TS- OPTICS Micro Helical Focuser T2 1,25"

    Therefore the orientation of the image remains unchanged.

    eBay

  7. Hcsc Aluminium Alloy 1.25Inches Inner T Interface Double Helical Focuser High Precision 10Mm Focusing Stroke For Astronomical Telescope

  8. 1.25" High Precision Double Helical Focuser M31x0.5m for Telescope Guider Scope

    Bottom inner ring external thread M31x0.5mm. High-precision double helix focuser for guide mirror/finder mirror interface. 1.25" High Precision Double Helical Focuser. Top external thread M42x0.

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  9. Hcsc Yz-18836 Aluminium Alloy External T Mount 10Mm Focusing Stroke Inch Helical Fine Tuning High Precision Focuser Size 1.25

  10. ZWO Off Axis Guider (OAG) v2 With Helical Focuser

    Lightweight and only 16.5mm thick! Large prism - 8x8mm Guide through your main imaging scope - no guide scope required! Multiple adapters available including T2, M42 and M48 making it easy to fit to most cameras and telescopes Fully compatible with all ZWO ASI cameras Good stability - strong, stiff connection to the telescope Bought this and the Zwo oag L so this is spare as I’m using the large

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  11. Astromanie Astromania 1.25"" High Precision Double Helical Focuser With 0.05Mm Scale For Telescope Lenses/Finder & Guidescope

  12. 50mm Double Helical Focuser Guide Scope Finderscope For Astronomical Telescop FG

    10mm focusing range in both sides, helical focuser is easy to use. 10mm focusing range in both sides, helical focuser is easy to use. 1 x Finderscope. This guide scope is made of quality material, sturdy, lightweight and durable.

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  13. New Svbony Sv108 Double Helical Focuser High Precision For Telescope / Finder & Guidescope W/ Brass Compression Ring" Size 1.25

  14. 2" M48x0.75 Double Helical Focuser Fine-tuning Refractive Newtonian Reflective

    2" helical focuser designed specifically for astrophotography, fits onto any 2" focuser.

    eBay

  15. 1.25inches Inner T Interface Double Helical Focuser High Precision 10mm Focus TO

    High precision double helical focuser for guider scope/finder scope Interface. Item type: Double Helical Focuser. 1.25" helical focuser, 10mm focusing stroke, lightweight. 1 x Helical Focuser. Focusing Stroke: Approx.

    eBay

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