Bifocal 1.50 Round Segment G50 (index 1.50)

G50
BIFOCAL ROUND SEGMENT 1.50 
REFRACTIVE INDEX

1.50

ABBE VALUE

58

SPECIFIC GRAVITY

1.32

SEMI-FINISHED BIFOCAL RS 1.50
BASE

70/24mm

0.50  2.00  4.00  6.00  8.00  10.00

BASE

70/28mm

2.00  4.00  6.00  8.00

uncoated
hard coated
anti-reflective coating

ADD POWER +0.75D to +4.00D in 0.25D steps

uncoated
hard coated
anti-reflective coating

ADD POWER +0.75D to +4.00D in 0.25D steps

FINISHED BIFOCAL RS 1.50
NEG 70/24 mm

SPH

Plano to -2.00

ADD

+1.00 to +3.50

POS 70/24 mm

SPH

Plano to +3.00

ADD

+1.00 to +3.50

uncoated
hard coated
anti-reflective coating
NEG 70/28 mm

SPH

-0.25 to -2.00

ADD

+1.00 to +3.50

POS 70/28 mm

SPH

Plano to +3.00

ADD

+1.00 to +3.50