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Blog

When Were Surveillance Cameras Invented ?

When Were Surveillance Cameras Invented ?

22/01/2024
Surveillance cameras were first invented in 1942 by a German engineer named Walter Bruch. The first closed-circuit television (CCTV) system was installed in Germany in 1942 to monitor the launch of V-...
What Does Canon Ef Mount Mean ?

What Does Canon Ef Mount Mean ?

22/01/2024
Canon EF mount is a type of lens mount used by Canon for its line of EOS (Electro-Optical System) cameras. The EF stands for "Electro-Focus," which refers to the electronic autofocus system used by th...
How To Connect Drone Wifi Camera ?

How To Connect Drone Wifi Camera ?

22/01/2024
To connect a drone WiFi camera, you need to follow these steps: 1. Turn on the drone and the camera. 2. Go to the settings on your smartphone or tablet and turn on the WiFi. 3. Look for the WiFi netwo...
How To Remove A Damaged Lens Filter ?

How To Remove A Damaged Lens Filter ?

22/01/2024
To remove a damaged lens filter, you can try using a rubber band or a filter wrench to grip the filter and twist it off. If the filter is still stuck, you can try using a pair of pliers or a flathead ...