Questions tagged [physics]

I understand that shot noise will be dependent only on final photon count, and thus is invariant under area changes (shot noise = sqrt(total_photons)). Is the same true for final SNR, if considering shot noise as our only source of noise (which…

I recently purchased a Cotton Carrier system which uses a clip to hang the camera vertically from the chest area. I am using this with a D500 and a 200-500 lens, which has a tripod foot. When I am using a tripod, naturally I use the Arca-Swiss mount…

First, I'm new to StackExchange, so I apologize if I'm posting in the wrong area... What is the strange visual element emanating from the hammer in this picture? It looks like an upside-down white flame. I wondered if it was light reflecting from…