Is there any YcRcB Color-Picker so that I can better understand the color space? For example I want to get the range from the blue sky or from green grass. I need this ranges to detect landscape and ...
I'm considering renting a tilt-shift (TS-E 24mm f/3.5L) lens for about a week when I travel abroad to do some photography in the middle east. What's the learning curve like on those lenses? Can I get ...