Trombone music, along with music for euphonium and tuba, is typically written in concert pitch in either bass or tenor clef, although exceptions do occur, notably in almost all brass-band music where tenor trombone is presented as a Bâ­ transposing instrument, written in treble clef.
Basic Manual settings for cool visual effects. A Little About Exposure: Exposure is the amount of light a digital camera's sensor captures when a photo is taken. Too much light results in a washed out photo (overexposed). Too little light and the photo will be too dark (underexposed).
Camera obscura is Latin for dark chamber.. It is the name given to a simple device used to produce images that would lead to the invention of photography. The English word for today's photographic devices is merely a shortening of this name to  camera .