Intro-to-Photo-presention-20112

Lenses

J J T h e l e ng t h o f a l e n s i s me a s u r e d i n m i l l i me t r e s (mm), or e qu i va l e n t f or po i n t - and - s hoo t came r a s J J L ow n umb e r s a r e con s i d e r e d w i d e l e n s e s , wh i l e h i gh n umb e r s a r e con s i d e r e d l ong l e n s e s • A w i d e l e n s , i . e . , 1 8mm, i s u s e f u l f or l and s ca p e p ho t o s • A l ong l e n s , i . e . , 3 0 0mm, i s u s e f u l f or c l o s e - u p s o f w i l d l i f e J J H uman e y e s i gh t i s e qu i va l e n t t o a bou t 5 0mm

T i p s and t e ch n i qu e s f o r b e t t e r p ho t og r a p h y

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