ZWO 1.25" Helical Focuser - HF125 Celestron Evolution Telescopes The extra large Celestron Power

The extra large Celestron Power Tank 17 is more than just a telescope accessory

Parallelism:  30 s

Celestron Advanced VX 6" Schmidt-Cassegrain Telescope Specifications

The 60Q features a built-in corrective element within the focusing tube

ZWO 1.25" Helical Focuser - HF125 Celestron Evolution Telescopes The extra large Celestron PowerThe ZWO 1. 25" Helical Focuser works great with the ZWO OAG and ASI Mini Series cameras, but can also be used for exact focus requirements with other set ups. Both ends of the helical focuser have M42x0. 75 threads; the top threads are Male and the bottom threads are Female. This diminutive helical focuser is CNC machined from an aluminum alloy material used in aerospace. It is then frosted and anodized for beauty and long life. Specifications Inner