Bifocal 1.56 Flat Top G56 (index 1.56)

BIFOCAL FLAT TOP 1.56
REFRACTIVE INDEX

1.56

ABBE VALUE

38

SPECIFIC GRAVITY

1.27

SEMI-FINISHED BIFOCAL FLAT TOP 1.56
BASE

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

0.50  2.00  4.00  6.00  8.00  10.00

70/28mm

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