size

Outside size (in cm)

Picture size( in cm)

5 Inch/3R

15.6*11.8

12.7*8.90

6 Inch/4R

18.0*13.0

16.2*10.2

7 Inch/5R

18.0*13.0

15.2*10.2

10 Inch/8R

28.2*23.0

25.4*20.3

A4

33.0*23.0

29.7*21.0