Lens Field of View Calculation

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Program to calculate video camera lens field of views. Results for wide angle lenses vary significantly from specs.

Please do NOT include the "type" of unit measure (inch, mm, etc.) in your input.

Choose video format

1/4 inch 1/3 inch 1/2 inch 2/3 inch 1 inch

Enter parameters

Enter focal length of lens in mm.
Enter distance to object (omit unit of measurement)

Lens Field of View Data in air

Decimal Degrees
Horizontal FOV =	Vertical FOV =	Diagonal FOV =

Decimal Minutes
Horizontal FOV =	Vertical FOV =	Diagonal FOV =
Horizontal size=	Vertical size=	Diagonal size=

Lens Field of View Data in seawater (flat port)

Decimal Degrees
Horizontal FOV =	Vertical FOV =	Diagonal FOV =

Decimal Minutes
Horizontal FOV =	Vertical FOV =	Diagonal FOV =
Horizontal size=	Vertical size=	Diagonal size=

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Lens Field of View Calculation

Decimal Degrees

Decimal Minutes

Decimal Degrees

Decimal Minutes