ITelescopeV4FocalLength Property |
The telescope's focal length, meters
Namespace: ASCOM.DeviceInterfaceAssembly: ASCOM.DeviceInterfaces (in ASCOM.DeviceInterfaces.dll) Version: 7.0.0-rc.0+0
Syntaxdouble FocalLength { get; }
ReadOnly Property FocalLength As Double
Get
property double FocalLength {
double get ();
}
Property Value
Double
ExceptionsException | Condition |
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PropertyNotImplementedException | If the property is not implemented |
NotConnectedException | If the device is not connected |
DriverException | An error occurred that is not described by one of the more specific ASCOM exceptions. Include sufficient detail in the message text to enable the issue to be accurately diagnosed by someone other than yourself. |
Remarks
This property may be used by clients to calculate telescope field of view and plate scale when combined with detector pixel size and geometry.
This is only available for telescope InterfaceVersions 2 and later.
Revision HistoryDate | Version | Description |
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ITelescope | Platform 3.0 | Member added. |
See Also