Cascadia Digital video recorder Bedienungsanleitung PDF herunterladen (Seite 43)

CCTV Glossary

Cascadia Video Products LLC

43 / 43

Z. - In electronics and television this is usually a code for impedance.

Zoom lens. - A camera lens that can vary the focal length while keeping the object in focus, giving

an impression of coming closer to or going away from an object. It is usually controlled by a

keyboard with buttons that are marked zoom-in and zoom-out.

Zoom ratio. - A mathematical expression of the two extremes of focal length available on a

particular zoom lens.

1 2 ... 38 39 40 41 42 43

Keine Kommentare

Cascadia Digital video recorder Bedienungsanleitung Seite 43