Field size (cm²)

Measured

Calculated

Measured/Calculated (% diff.)

1 × 1

0.73429

0.74265

0.98874 (1.13%)

2 × 2

0.81429

0.81158

1.00333 (0.33%)

3 × 3

0.84574

0.84629

0.99935 (0.07%)

4 × 4

0.87839

0.88337

0.99436 (0.56%)

5 × 5

0.90707

0.91007

0.99670 (0.33%)

6 × 6

0.93103

0.93352

0.99733 (0.27%)

8 × 8

0.97033

0.97282

0.99744 (0.26%)

10 × 10

1.00000

1.00000

1.00000 (0.00%)

12 × 12

1.02331

1.02337

0.99994 (0.01%)

15 × 15

1.05128

1.04968

1.00153 (0.15%)

20 × 20

1.08454

1.08137

1.00293 (0.29%)