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What we want is to focus the light rays exactly on our image plane. And for any particular distance between lens and image plane, there's a lens design, or curvature, that will focus the light rays on the image plane.We call the distance at which the lens focuses these parallel rays the Focal Length of the lens.
It's free and what's more, with an ispy subscription you can use this driver remotely. To clear your configuration remove your login details from settings and click "Get Cameras" again.To setup default cameras, open ispy and click "Options - Default Device Manager".You can then select 1 or more cameras to display in the default video feed to the virtual device driver.You can uninstall the driver at any time by running in the same archive.e2e Soft VCam is a Webcam Emulator, which emulates a webcam in your system and works like a real one.