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With the sensor size, image pixel resolution, focal length, and known subject size, you can back-calculate (well, estimate) the distance between the camera and subject (assuming that the subject is reasonably parallel to the camera sensor plane).
15 kwi 2017 · The ratio of the object’s length to the camera to subject distance is 10 ÷ 50 = 0.20. This object's image length will be 100mm X 0.20 = 20 mm long. Using the same ration idea: A 100mm lens is used to image an object 10 feet long. The image of this object at the focal plane is 20mm long.
Measure dimensions with iPhone. Use the Measure app and your iPhone camera to measure nearby objects. iPhone automatically detects the dimensions of rectangular objects, or you can manually set the start and end points of a measurement.
Hello! I am having trouble calculating accurate distances in the real world using the camera's returned intrinsic matrix and pixel coordinates/depths captured from the iPhone's LiDAR. For example, in the image below, I set a mug 0.5m from the phone. The mug is 8.5cm wide.
Super Retina XDR display. 6.1‑inch (diagonal) all‑screen OLED display. 2532‑by‑1170-pixel resolution at 460 ppi. HDR display. True Tone. Wide color (P3) Haptic Touch. 2,000,000:1 contrast ratio (typical) 800 nits max brightness (typical); 1200 nits peak brightness (HDR) Fingerprint-resistant oleophobic coating.
iPhone 13 is splash, water, and dust resistant and was tested under controlled laboratory conditions with a rating of IP68 under IEC standard 60529 (maximum depth of 6 meters up to 30 minutes). Splash, water, and dust resistance are not permanent conditions.
20 wrz 2022 · The Apple iPhone 13 Pro uses its ultra-wide camera when switching to macro mode, allowing it to capture images at very short distances. The resulting magnification is close to 1:1 with a pretty interesting level of detail at the center of the frame .
