[ GLOSSARY DEFINITION ] Camera

optical zoom ratio

The magnification factor of a camera's optical zoom.

Also known as: zoom ratio

Full Definition & Technical Explanation

The optical zoom ratio is the magnification achieved by moving lens elements, such as 3x or 5x, without the loss of digital zoom.

See telephoto zoom.

Where optical zoom ratio Matters

Frequently Asked Questions

What is optical zoom ratio?

The magnification factor of a camera's optical zoom.

What terms are related to optical zoom ratio?

Related Camera terms include blur, exposure time.

Related Technical Terms

blur
A loss of sharpness, either unwanted or used creatively for background bokeh. Camera
exposure time
How long a camera's sensor collects light for one photo. Camera
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