Helical Focuser Double SV161 1.25 inches for Telescope and Guide Scope

The SVBONY helical focuser allows for precise adjustment of eyepieces or camera equipment. It is ideal in combination with a guide scope and guiding camera, such as the mini guide scope series SV165.

During focus setting, attached accessories maintain their orientation and do not rotate. The exact position of the focus can be fixed with a locking screw.

Technical Characteristics

• Inner diameter: 1.25 inches
• Tube travel: 10 mm
• Adjustment precision: 0.05 mm
• Upper male thread: M42x0.75
• Lower female thread: M42x0.75
• Minimum height: 43 mm
• Maximum height: 53 mm
• Net weight: 120 g (approx.)