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TelescopeFocalLength Property

The telescope's focal length, meters

Namespace: ASCOM.DriverAccess
Assembly: ASCOM.DriverAccess (in ASCOM.DriverAccess.dll) Version: 6.0.0.0 (6.6.9999.9999)
Syntax
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public double FocalLength { get; }

Property Value

Double

Implements

ITelescopeV3FocalLength
Exceptions
ExceptionCondition
PropertyNotImplementedExceptionIf the property is not implemented
NotConnectedExceptionIf the device is not connected
DriverExceptionAn error occurred that is not described by one of the more specific ASCOM exceptions. The device did not successfully complete the request.
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

See Also