TeSeek 5P9828A 1.25-Inch Double Thread High Precision Telescope Focuser 10MM Focusing Stroke for Guidescope/Finderscope

Introduction:
- This is an excellent 1.25-inch double threaded focuser with a 10mm focusing stroke, lightweight and compact, all metal manufacturing, sturdy and durable. The CDD eyepiece or zenith mirror inserted during the focusing process remains non rotating and only performs linear motion, which is beneficial for observation and astronomical photography. The finely crafted production process makes its micro focusing incredibly precise, even at huge magnifications, it remains smooth and stable.

Specifications:
- Inner diameter: 1.25-inch
- Stroke: 10mm
- Adjustment accuracy: 0.05mm
- Top interface external thread: M42x0.75; thread length of 9mm (note: T2 without card slot design)
- Bottom interface external thread: M31x0.5; thread length of 5mm (suitable for interfaces with a depth of less than 4.5mm)
- Minimum height: 46mm
- Maximum height: 56mm
- Net weight: 89g

Package Included:
- 1 x Focuser