image
size mmweight ct
1.5-1.8
0.03-0.04
1.9-2.1
0.04-0.06
2.0x2.0
0.050
2.2-2.3
0.06-0.07
2.4-2.7
0.08-0.12
2.5-2.6
0.095-0.11
2.7-2.8
0.12-0.135
2.9-3.1
0.14-0.175
2.9x2.9
0.140
3.0x3.0
0.15-0.16
3.1x3.1
0.17-0.18
3.2-3.3
0.18-0.22
3.3x3.3
0.20
3.4-3.6
0.23-0.29
3.5x3.5
0.25
3.7-3.8
0.30-0.38
3.9x3.9
0.35-0.38
3.9-4.3
0.40-0.47
4.0x4.0
0.40
4.1-4.2
0.42-0.48
4.3-4.7
0.50-0.60
4.5x4.5
0.50-0.55
4.6-4.7
0.60-0.68
4.7-5.1
0.70-0.80
5.2-5.3
0.90
5.4-5.6
1.00
5.8-6.1
1.20
6.3-6.6
1.50
6.6-6.8
1.75
6.9-7.2
2.00