Downloads
Birger ASCOM Driver
Focuser Driver v1.0.5 (Universal - XP, Vista, Win7; 32/64-bit; ASCOM Platforms 5.5.1 and 6)
Birger Engineering's Impero Updates
Impero Controller v2.1
Manual-Update Instructions (pdf)
Quick Notes for Versions 1.4 and Above (pdf)
Previous Versions
Impero Controller v2.0
Impero Controller v1.8
Impero Controller v1.5
Impero Controller v1.4
BEI Device Interface - Mac OS X
System Requirements : Mac OS X 10.5 or later, PPC or Intel.
Current Version
BEI Device Interface Mac OS X 1.1.12 (Universal 32/64-bit Binary)
Previous Versions
System Requirements : Mac OS X 10.5 or later, PPC or Intel.
BEI Device Interface Mac OS X 1.1.11 (Universal 32/64-bit Binary)
BEI Device Interface Mac OS X 1.1.10 (Universal 32/64-bit Binary)
System Requirements : Mac OS X 10.4-10.5.8, PPC or Intel.
BEI Device Interface Mac OS X 1.1.8 (Universal Binary)
BEI Device Interface Mac OS X 1.1.7 (Universal Binary)
BEI Device Interface - Windows
System Requirements : Windows XP, Vista, 2000, Win7.
Uninstall any previous version of the application before installing the new version.
Current Version
BEI Device Interface 1.1.6 Windows Installer
Previous Versions
BEI Device Interface 1.1.5 Windows Installer
BEI Device Interface 1.1.4 Windows Installer
BEI Device Interface 1.1.3 Windows Installer
Canon EF-232 Lens Library
Current Version
Hardware Rev 4 - Bootloader v45
Canon EF-232 Library 21d
Previous Versions
Hardware Rev 4 - Bootloader v45
Canon EF-232 Library 21c
Canon EF-232 Library 21a
Canon EF-232 Library 20d
Canon EF-232 Library 20c
Canon EF-232 Library 20a
Canon EF-232 Library 19z
Canon EF-232 Library 19y
Canon EF-232 Library 19x
Hardware Rev 4 - Bootloader v44
Canon EF-232 Library 19d...(Coming Soon)
Canon EF-232 Library 19a...(Coming Soon)
Canon EF-232 Library 18...(Coming Soon)
Hardware Rev 1 - Bootloader v42
(Coming Soon...)
Canon EF-232 User Manual
Current Version
Canon EF-232 Library User Manual 1.3 (pdf)
Release Notes
Birger Release Notes (rtf)