Astromania 1.25" High Precision Double Helical Focuser with 0.05mm Scale for Telescope Lenses/Finder & Guidescope

★★★★★ 4.2 29 reviews

$90.00
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$90.00
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Free shipping Free 30-day returns

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Product details

Management number 208571706 Release Date 2026/03/22 List Price $36.00 Model Number 208571706
Category
  • For guider scope or finder scope interface; solution for telescopes or telephoto lenses with sluggish focusing; fixed orientation so no rotation of mounted cameras or eyepieces or field of view with guide star when focusing
  • Upgrade R and P focuser by adding to the end of one focuser by using Astromania M42x0.75 Female to M42x0.75 Female Thread Telescope Adapter 9mm; please make sure that there is M42x0;75 male thread on R and P focuser
  • Made by full metal; one side of double helical focuser is M31X0.5 male thread; 1.25 inch accessory collar with M42x0.75 male T-thread flangeand accesory collar thumbscrews on the other side that install StarShoot AutoGuider or 1.25 inch eyepiece
  • Interface: 1.25 inch with M42x0.75 male thread; primary Mirror Interfaces: M31X0.5 or M42X0.75; include M31X0.5 female thread to M42x0.75 male thread Adapter which get M31X0.5 male thread or M42X0.75 male thread on this side
  • Accuracy 0.05mm; focusing stroke: 10mm; minimum length: 46mm; longest length: 56mm
Item Weight 3.2 ounces
Manufacturer Astromania
Item model number SKU_AM_HDHF1025C
Product Dimensions 1.81 x 2.32 x 1.81 inches
Is Discontinued By Manufacturer No

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4.2 out of 5
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29 ratings | 12 reviews
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