falling off to black
Posted 12 December 2007 - 01:53 AM
Posted 12 December 2007 - 03:00 AM
Here's a still from a music video I gaffed this weekend. The backdrop was just two 12x12' solids, and the lighting was two 3/4 backlights of 1200 HMI pars w/medium lenses mounted vertically, and the key was a 4K HMI bounced into a 4x8' sheet of beadboard (visible at the top of frame). I thought I might have to set a big teaser to keep the key from contaminating the BG, but when we looked at it we decided the ratio was sufficient. We were shooting Super 16 7217, and the still was taken with my cheap little Sony pocket digital still camera.
Posted 18 December 2007 - 09:38 AM
Posted 18 December 2007 - 06:12 PM
If your shooting video I would recommend using a waveform to ensure the BG falls below 0IRE to ensure its a true black.
Well technically it would never fall below zero if the camera is setup for zero IRE. It would touch zero and go no further. A black level below zero on the waveform would mean that the camera is crushing the blacks.
But yes, a waveform monitor can help you see if you've got any detail or noise hovering just above your chosen black level.