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I've been looking everywhere for info on cameras that can do the following: Take a snapshot either regularly or triggered by an event; Send the snapshot securely to a specific Web API (i.e. to https://myAPI.com/snapshot). All I'm finding is cameras that: Send through FTP (some rare cameras...

Yes I was wrong; I didn't know much about photography in general (and I still don't really). I meant focus distance. Sorry for the confusion.

After more research I was told that what I'm looking for is basically not possible (i.e. computing distance from focus) since those ranges I mentionned are most likely step-motor units and no full model of the camera is available. If this is wrong, please let me know

Is it possible to compute the distance of the focus point (distance at which objects are sharpest) using the Zoom and Focus parameters shown in the interface ? The camera I'm using is this one: 12MP IR Vari-focal IP Bullet – Dahua North America I see that the parameters ranges are [0, 852] for...