Focal Length of Lens in Photogrammetry Stadia and Compass Surveying Formulas

Focal Length of Lens is usually represented in millimeters (mm), is the basic description of a photographic lens. And is denoted by f_len. Focal Length of Lens is usually measured using the Meter for Length. Note that the value of Focal Length of Lens is always positive.

Formulas to find Focal Length of Lens in Photogrammetry Stadia and Compass Surveying

fxFocal Length of Lens given Photo ScaleGo

Photogrammetry Stadia and Compass Surveying formulas that make use of Focal Length of Lens

fxPhoto Scale given Focal LengthGo

fxFlying Height of Airplane above DatumGo

fxElevation of Point, Line or AreaGo

List of variables in Photogrammetry Stadia and Compass Surveying formulas

fx Photo Scale Go

fx Flying Height of Airplane Go

fx Elevation of Point Go

FAQ

What is the Focal Length of Lens?

Focal Length of Lens is usually represented in millimeters (mm), is the basic description of a photographic lens. Focal Length of Lens is usually measured using the Meter for Length. Note that the value of Focal Length of Lens is always positive.

Can the Focal Length of Lens be negative?

No, the Focal Length of Lens, measured in Length cannot be negative.

What unit is used to measure Focal Length of Lens?

Focal Length of Lens is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Focal Length of Lens can be measured.

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