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Hi Index 1.70 -> G70
REFRACTIVE INDEX
1.70
ABBE VALUE
36
SPECIFIC GRAVITY
1.38
SPHERICAL
SEMI-FINISHED G70 | DIAMETER 65/70/75mm
BASE
65
5.00 6.00 7.00 8.00 9.00 10.00 11.00 12.00
70
0.50 1.00
75
2.00 3.00 4.00
ASPHERICAL
FINISHED G70 | DIAMETER 70/75mm
MINUS 70/75 mm
SPH
Plano to -12.00
CYL
Up to -2.00
MINUS 70 mm
SPH
-12.50 to - 15.00
CYL
N/A
SEMI-FINISHED G70 | DIAMETER 65/70/75mm
BASE
65
4.20 5.00 6.00 7.00 8.00 9.00 10.00 11.00 12.00
70
0.50 1.00
75
2.00 3.00 4.00
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