This ZWO 1.25" Helical Focuser allows very fine focus of a guide camera for astrophotography. Made of anodized machined aluminum, the focuser fits on a ZWO off-axis guider and accepts a mini guide camera in its top end. With a focusing stroke of 6mm and adjustment accuracy of just 0.1mm, the focuser assures the guide camera has a perfect view of the object you're tracking. The focuser has a female M42 x 0.75 thread for attaching to the OAG and a brass locking nut to hold the mini camera securely in place, as well as a male M42 x 0.75 on the top end for using the focuser in other situations.
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Key Features
- Use with ZWO OAG & Mini Camera
- 0.1mm Adjustment Accuracy
- M42 x 0.75 Threads
- 6mm Focusing Stroke
This ZWO 1.25" Helical Focuser allows very fine focus of a guide camera for astrophotography. Made of anodized machined aluminum, the focuser fits on a ZWO off-axis guider and accepts a mini guide camera in its top end. With a focusing stroke of 6mm and adjustment accuracy of just 0.1mm, the focuser assures the guide camera has a perfect view of the object you're tracking. The focuser has a female M42 x 0.75 thread for attaching to the OAG and a brass locking nut to hold the mini camera securely in place, as well as a male M42 x 0.75 on the top end for using the focuser in other situations.
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ZWO ZWO-HF125 Overview
ZWO ZWO-HF125 Specs
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ZWO ZWO-HF125 Reviews
A Great Solution
By Ronald
Rated 4 out of 5
Date: 2025-11-12
Completely solved focus issues caused by having to focus by moving the guidescope front objective in and out. Works great!
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