Optical Zoom Calculator
Easily estimate your camera’s field of view at different zoom levels. Just enter the distance, and get instant width and height coverage for common zoom ranges—from 5x to 35x. Ensure optimal framing for any space or shooting scenario.
| Optical Zoom | Wide HFoV (°) | Narrow HFoV (°) | Wide Width (m) | Wide Height (m) | Narrow Width (m) | Narrow Height (m) |
|---|---|---|---|---|---|---|
| 5x | 85 | 26.5 | ||||
| 10x | 62.5 | 6.43 | ||||
| 12x | 72.5 | 6.55 | ||||
| 20x | 60 | 3.2 | ||||
| 30x | 60 | 1.98 | ||||
| 35x | 60 | 2.02 |
This calculator returns the actual field of view and physical coverage area for each zoom specification at your installation distance. Enter the distance from the camera lens to your subject — in meters — and the table updates with Wide and Narrow values across the full zoom range, from the broadest wide-angle view to the tightest telephoto framing.
Not sure how to read the results, or which zoom specification is right for your space?
[Read the full guide: PTZ Camera Optical Zoom Explained →]
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