ZWO 1.25" Helical Focuser (ZWO-HF1.25") Refractor lower profile equatorial head provides

lower profile equatorial head provides improved stability and portability

Fits all standard filter threads and can be combined with other filters – e

Nagler Type 6

OPTICAL TUBE INFO: Optical Design: Newtonian Reflector Aperture: 150mm (6") Focal Length: 750mm (30") Focal Ratio: f/5 Focal Length of Eyepiece 1: 20mm (

ZWO 1.25" Helical Focuser (ZWO-HF1.25") Refractor lower profile equatorial head providesMakes a great fit together with ZWO OAG and ASI Mini Series Cameras. Can also be used for other purposes when an exact focus is required. This ZWO model doesn't rotate your camera when you are adjusting focus and it is super economical. Specifications Inner Diameter: 1. 25" Stroke: 6mm Adjustment Accuracy: 0. 1mm Top Male Thread: M42x0. 75 Bottom Female Thread M42x0. 75 Minimum Height: 48. 5mm Weight: 80 100g