Antares SCT to 2" Twist Lock Adapter - T2TL 50 mm Binoculars The Astro Fi 90mm WiFi

The Astro Fi 90mm WiFi Refractor Telescope from Celestron is a fully featured telescope that can be controlled with your smart phone or tablet using the free Celestron SkyPortal app

and they are Dioptrx-ready

this eyepiece is fully waterproof and argon gas purged to prevent fogging

As a side benefit

Antares SCT to 2" Twist Lock Adapter - T2TL 50 mm Binoculars The Astro Fi 90mm WiFiAntares SCT to 2" Adapter Twist Lock Retention Product Highlights: Antares SCT to 2" Adapter Twist Lock Converts SCT thread cell mounting to a 2" smooth barrel Has a Twist Lock mechanism to retain component Accepts standard 2" size, M48x0. 6 mm thread filters The Antares T2TL SCT to 2" Adapter with a Twist Lock retention mechanism will adapt your SCT rear cell mounting to provide a 2" smooth barrel for quickly attaching 2" eyepieces or accessories to