1) You"re in a pot with Qð™¦7𙦠against another player who has been doing the betting throughout the hand.  The flop was Kð™¦10ð™£6𙦠which missed you, but did give you a flush draw so you decide to come along.  The turn was the Qð™£, and your opponent bets once again.  The river comes the 4𙣠and your opponent lets out a sigh before checking to you.  What do you do?
Most professional photographers have learned about shorter focal length (wide angle lenses) and long focal length (telephoto lenses). There may be debates between different photographers as to which one is best but like everything it is all down to personal choice as to which one you like best.