a p 1,0

mm

D351015203040506080100
100,3460,4470,6320,7750,8941,0951,2651,4141,5491,7892,000
12f0,3790,4900,6930,8490,9801,2001,3861,5491,6971,9602,191
15e0,4240,5480,7750,9491,0951,3421,5491,7321,8972,1912,449

r mm

e 3 5 10 15 20 30 40 50 60 80 100

f

2,5 e 0,245 0,316 0,447 0,548 0,632 0,775 0,894 1,000 1,095 1,265 1,414