ZWO 1.25" Helical Focuser (ZWO-HF1.25") Refractor Fully Multi-Coated Optics and BaK-4

Fully Multi-Coated Optics and BaK-4 Prisms

completed a four year astrophysics degree

lower profile equatorial head provides improved stability and portability

while keeping the eyecup securely attached to the eyepiece while folding it up or down

the new 120-Mini has a sleeker design

ZWO 1.25" Helical Focuser (ZWO-HF1.25") Refractor Fully Multi-Coated Optics and BaK-4Makes 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