Hi Index 1.74 -> G74

REFRACTIVE INDEX

1.74

ABBE VALUE

33

SPECIFIC GRAVITY

1.46

SPHERICAL
SEMI-FINISHED G74  |  DIAMETER 65/70/75mm
uncoated
hard coated
anti-reflective coating
BASE

65

11.50  12.50

70

0.50  1.50  2.25  8.50  10.25

75

3.50  5.00  6.75

ASPHERICAL
FINISHED G74   |  DIAMETER 70/75mm

CYL

MINUS 70/75 mm

SPH

-1.00  to -12-00

Up to -2.00

anti-reflective coating
super hidrofobico
MINUS 70 mm

SPH

-12.25 to -15.00

CYL

N/A

MINUS 70/75 mm CYL EXT

-1.00 to -10.00

SPH

CYL

-2.25 to -4.00

SEMI-FINISHED G74  |  DIAMETER 70/75 mm
BASE

70

0.50  7.00  8.00  9.00  10.00

75

1.00  2.00  3.00  4.00  5.00  6.00

uncoated
anti-reflective coating