What type of equipment did photographers use back before digital to do motion activated nature photography?

Issue by justbill: What kind of devices did photographers use back prior to digital to do movement activated nature photography?
was there any devices back again prior to digital that permitted the photographer to set up a camera in the wild and it would take photos when it detected movement. Any backlinks to old tools would be a lot appreciated.


Very best reply:

Answer by θηλή φωτογράφος
when you say before digital your asking what did movie photographers use to detect motion?


they employed.........motion sensors

just like safety alarms use movement detectors

they have been all around extended prior to digital cameras

there are mechanical ones and electronic ones and laser ones and all sorts now, the early ones where mechanical

Give your answer to this issue below!