astromechanics.org
ASCOM Canon Lens Controller
Simple solution for external focus & iris drive
Device assembly and software using manual
This manual is related to ASCOM platform based usage
JULY/2020
ASTROMECHANICS
Страница 1: ...echanics org ASCOM Canon Lens Controller Simple solution for external focus iris drive Device assembly and software using manual This manual is related to ASCOM platform based usage JULY 2020 ASTROMEC...
Страница 2: ...l it locks To remove the lens press and hold the lens lock and rotate the lens counterclockwise Attach and remove your lens only when the USB cable is disconnected Note Some thin adapters QSI WS Morav...
Страница 3: ...ers VCP htm There you can download drivers for other operating systems Linux Max OS X You can also find the driver in the appropriate folder of the distribution package Open FT232 Drivers folder and c...
Страница 4: ...ation is completed open your focusing software Maxim DL APT SGP etc and choose the driver using standard ASCOM controls and dialog windows Maxim DL based example is shown below Observatory control win...
Страница 5: ...and click Properties Driver setup dialog window You need to configure several parameters in this window COM Port Number virtual port created by operating system for the connected device COM8 for examp...
Страница 6: ...ant Lens description in lens txt Note For zoom lenses with a different range of aperture values at different focus values Canon EF S 18 55 f 3 5 5 6 set the range for the planned for use focal length...
Страница 7: ...one such lens Sigma 85mm F1 4 DG HSM Art Focus control works and an attempt to send a command to control the iris leads to the driver freezing So use the definition below for such lenses lens name 1...
Страница 8: ...he real focus position Absolute positioning doesn t make much sense because there is no normal position feedback encoder etc The user can focus manually and the controller and even the Canon camera wi...
Страница 9: ...s recommended to use a direct connection to a computer or an active USB hub Try changing the USB cable For testing purposes you can use a shorter cable for example 0 25 m The length of the supplied ca...
