Astromania 1.25" High Precision Double Helical Focuser - Bundle with - M42X0.75 Female to M42X0.75 Female - 9mm

Astromania M42X0.75 Female to M42X0.75 Female Thread Telescope Adapter. M42X0.75 female thread on both sides. This is a very high quality anodized aluminum adapter. Converts an M42X0.75 male thread to a M42X0.75 female thread. All metal construction and anodizing aluminium process, durable for long time use. Makes it possible to attach M42X0.75 male thread and M42X0.75 male thread accessories together. Such as, you can upgrade your R&P focuser by adding "Astromania 1.25" High Precision Double Helical Focuser" to the end of the R&P focuser, if there is M42X0.75 male thread on the R&P focuser. this adapter will play very important part in connecting "Astromania 1.25" High Precision Double Helical Focuser"and R&P focuser.

• M42x0.75 female thread on both sides; this is a very high quality anodized aluminum adapter
• Makes it possible to attach M42x0.75 male thread and M42x0.75 male thread accessories; if there is M42X0.75 male thread on R and P focuser; play very important part in connecting double helical focuser and R and P focuser it
• This is a very high quality anodized aluminum adapter; M42X0.75 female thread on both sides; converts an M42X0.75 male thread to a M42X0.75 female thread
• 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;
• Interface: 1.25 inch with M42x0.75 male thread; primary mirror Interfaces: M31X0.5 or M42X0.75; accuracy 0.05mm; focusing stroke: 10mm; minimum length: 46mm; longest length: 56mm