ZWO 1.25" Non- Rotating Helical Focuser

The ZWO 1.25" Helical Focuser is designed for precise and accurate focusing of your Off Axis Guide camera. It features a frosted and anodised housing, anti-skid brass screw, and is manufactured from aerospace aluminium alloy material using precision CNC machining technology. This ...The ZWO 1.25" Helical Focuser is designed for precise and accurate focusing of your Off Axis Guide camera.

It features a frosted and anodised housing, anti-skid brass screw, and is manufactured from aerospace aluminium alloy material using precision CNC machining technology. This focuser is perfect for use with the ZWO OAG and Mini Series Guide cameras, and can also be used in other situations where precise focus is required. The focuser has an inner diameter of 1.25 inch (31.7mm), a stroke of 6mm, and a minimum height of 48.5mm.

It features top and bottom male threads of M42 x 0.75 (T-thread).