The telescope's focal length, meters

Namespace: ASCOM.DriverAccess
Assembly: ASCOM.DriverAccess (in ASCOM.DriverAccess.dll) Version: 6.0.0.0 (6.1.1.2619)

Syntax

C#
public double FocalLength { get; }
Visual Basic
Public ReadOnly Property FocalLength As Double
	Get
Visual C++
public:
virtual property double FocalLength {
	double get () sealed;
}

Implements

ITelescopeV3..::..FocalLength

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 3

See Also