Field size (mm)

Relative scatter factor

10 × 10

0.686

30 × 30

0.868

50 × 50

0.921

70 × 70

0.958

100 × 100

1.000

150 × 150

1.046

50 × 150

0.964

100 × 150

1.023

150 × 50

0.961

150 × 100

1.019