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2010-04-11T13:25:33+02:00
Z1 = 4D

Z = 1/f f = ogniskowa
f = 1/Z

Z1
f = 1/4D
f = 0,25(1/d = 1/1/m = 1:1/m = 1 * m/1 = m)

Z2 = 0,4D
f = 1/0,4D
f = 25/10D
f = 2,5m

Z3 = 2,5D
f = 1/2,5D
f = 4/10D
f = 0,4m

Z4 = 50D
f = 1/50D
f = 2/100D
f = 0,02m

Z5 = 400
f = 1/400D
f = 2,5/1000D
f = 0,0025m