What causes darker areas on a still from a video stream when moving light source has passed through the image just before it has been taken?
When taking stills from a IP CCTV camera (Axis P1357-E) in low light (night) conditions of a moving vehicle, I am getting circular dark patches where the vehicle headlights have lit up the road. As ...
We are using a scientific camera which has c mount. We are dealing with very low light conditions so we are going to need to use a fast lens with large aperture. The Leica Noctilux-M 50mm f/0.95 seems ...