Radian Downloads

Windows

Version 3.2.7 - 2020/12/03

Currently both drivers are supported on Windows 7 SP1, Windows 8.1 and Windows 10 (1607+).

ASCOM Driver Download for Windows - FocusLynx Commander

Alpaca Download for Windows

To use an Alpaca driver with ASCOM

Download the latest version (6.5 or greater is required) of the ASCOM Platform. Then turn on Alpaca Discovery in the ASCOM Chooser. See the software quick start guide for details.

Note for Windows 7 users

You will likely need the low level USB CDC driver in order to use your Radian focuser. Newer versions of Windows include this but Windows 7 does not. You can download the driver here.

Linux

Version 3.2.7 - 2020/12/03

Currently this is tested on Ubuntu (16.04+), Debian (9+), and Fedora based distributions.

The software is distributed as an AppImage, an extremely portable way to distribute Linux Applications as a single file. You can learn more about AppImages at their website.

Download for AMD 64 (most x86_64 desktop Linux)

Download for ARM (armhf, 32 bit arm including the Raspberry Pi 2+)

Download for ARM 64 (aarch64, 64 bit arm including the Raspberry Pi with a 64 bit OS)

Note on Linux COM Ports

Many Linux distributions limit access to COM Ports by default. If required you will need to give your user permission to access ports to connect to the focuser. How this is accomplished varies from distribution to distribution.

macOS

Version 3.2.7 - 2021/01/06

Note: this is a beta, a release version for macOS will be available at a latter date.

Currently this is tested on macOS 10.15 but it should support 10.13+.

Download for macOS 64 bit

Note: that you may need to manually approve this application in Gatekeeper or by right clicking and selecting Open and then Open on the Gatekeeper warning.

You can also install the Windows or Linux driver in Parallels or on another machine and access it remotely on the Mac.

Help and other information

ASCOM Alpaca is here! With the release of ASCOM Platform 6.5 the Radian Raptor electronic focuser uses Alpaca drivers for cross platform support. These drivers are fully compatible with existing ASCOM clients through the updated ASCOM Platform. Alpaca drivers even allow you to connect to a Radian Focuser attached to a different computer.

Download the Radian Quick Start Guide