What is mean by dpi with reference to photography?
dots per inch, but it's not a term specific to photography
What is the meaning of 'opening the shutter' in reference to photography?
in photography a shutter is a devise that when opened allows light to pass through for a predetermined length of time and 'create a photograph'
What does 'DP' mean in connection with photography?
"DP" is the abbreviation of "Director of Photography."
What does the number 420 mean in reference to marijuana?
I believe it refers to hitlers birthday, which was on april 20 at 4:20 (time).