Depth of field from focal length, aperture, distance and sensor: near and far li...

{ "method": "GET", "queryParams": { "aperture": 8, "cocMm": 0.03, "distanceM": 3, "focalMm": 50, "sensor": "full-frame" }, "type": "http" }

{ "example": { "aperture": 8, "asOf": "2026-10-11T08:40:14.251Z", "behindSubjectM": 1.18527, "cocMm": 0.03, "degraded": false, "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.", "farLimitIsInfinity": false, "farLimitM": 4.18527, "focalMm": 50, "focusDistanceM": 3, "hyperfocalM": 10.4667, "inFrontOfSubjectM": 0.662095, "nearAtHyperfocalM": 5.23333, "nearLimitM": 2.33791, "notChecked": [ "diffraction softening at small apertures (it limits sharpness before the geometric depth of field does)", "the viewing size and distance assumed by the circle of confusion", "…1 more" ], "reasons": [ "Focus at the hyperfocal distance (10.47 m) to keep everything from 5.23 m to infinity sharp.", "Circle of confusion 0.03 mm; a smaller value (stricter sharpness) shrinks the depth of field." ], "sensor": "full-frame", "source": "computed locally", "summary": "50 mm at f/8, focused at 3 m on full frame: sharp from 2.338 m to 4.185 m (1.85 m deep); hyperfocal 10.47 m.", "totalDepthM": 1.84736, "verdict": "COMPUTED" }, "type": "json" }