1.25inch Double Helical Focuser with Compression Ring SCT Outer Thread Adapter for Astronomical Telescope Guidescope

1.25inch Double Helical Focuser with Compression Ring SCT Outer Thread Adapter for Astronomical Telescope Guidescope Popis

This is an excellent 1.25-inch double-threaded focuser with a 10mm adjustment stroke. It is light and compact, made of all metal, and durable.
During the focusing process, the inserted CDD eyepiece or mirror remains non-rotating and only makes linear movements, which is conducive to observation and astronomical photography.
The meticulous craftsmanship makes its micro-focusing extremely precise, and it remains smooth and stable even at huge magnifications.

1. -new double-helix focuser
2. High-precision double-helix focuser for guide mirror/finder interface
3. Solution to slow focusing of telescopes or telephoto lenses
4. Made of all metal, durable
Inner diameter 1.25inch
Stroke 10mm
Adjustment accuracy 0.05mm
Top external thread M42x0.75
Bottom interface SCT external thread
Bottom inner ring external thread M31x0.5
Minimum height 46mm
Maximum height 56mm
Colour:Black
Material:Metal

Package Contents:
1 x Telescope Double Helical Focuser