Download - WELL-BALANCED ULTRA HIGH INDEX 1.70
WELL-BALANCED ULTRA HIGH INDEX 1.70
WELL-BALANCED ULTRA HIGH INDEX 1.70
COMPARISON 1.70 with 1.67COMPARISON 1.70 with 1.67
1.70 material 1.67 material
INDEX 1.70 1.67
ABBE NUMBER 36 32
SPECIFIC GRAVITY 1.41 1.37
THICKNESS ◎ ○
TRANSPARENCY ◎ ○
THERMINAL RESISTANCE ○ ○
TENSILE STRENGTH ○ ◎
IMPACT RESISTANCE ○ ○
TINTABILITY ○ ◎
PRODUCTION RANGE ◎ ○
COMPARISON 1.70 with 1.74COMPARISON 1.70 with 1.74
1.70 material 1.74 material
INDEX 1.70 1.74
ABBE NUMBER 36 33
SPECIFIC GRAVITY 1.41 1.46
THICKNESS ○ ◎
TRANSPARENCY ◎ ○
THERMINAL RESISTANCE ○ △
TENSILE STRENGTH ○ △
IMPACT RESISTANCE ○ △
TINTABILITY ○ △
PRODUCTION RANGE ○ ◎
COATING COMPARISONCOATING COMPARISON
CoatingsSPS
(Super Power Shield)
PGC(Pro Guard
Coating)
CMC(Clean Multi
Coating)
HMC(Hard Multi
Coating)
Transmittance 99% 99% 99% 98.5%
Easy to Clean(Oil and Water repellent)
◎ ◎ ○ ○
Scratch Resistance ◎ ○ △ △
Durability(Anti Edging Crack
Property)
◎ ○ ○ ○
Super Power Shield coatingSuper Power Shield coating
Super Power Shield coating
Anti Edging Crack PropertySuper Power Shield coating
Anti Edging Crack Property
SPS Conventional Coating
Super Power Shield coating
Superior Scratch ResistanceSuper Power Shield coating
Superior Scratch Resistance
SPS Conventional Coating
Super Power Shield coating
Easy to CleanSuper Power Shield coating
Easy to Clean
SPS Conventional Coating
Edging CrackEdging Crack
・ SPS coating prevents invisible edging crack
Visible Edging Crack Invisible Edging CrackIt might be visible crack gradually.
Super Power Shield coatingSuper Power Shield coating
・ The Super Power Shield coating offers outstanding resistance and durability, is created by Tokai’s latest thin-film technology.
Coating Image
Fluorine compound
Hard coating
Lens
New Cushion layerPrevent the edging crack
ADVANCED TECHNOLOGY
ULTRA HIGH INDEX 1.76
ADVANCED TECHNOLOGY
ULTRA HIGH INDEX 1.76
47% thinner than the 1.50 conventional lens.
S-6.00 75mm
1.76AS 1.76AS
6.3㎜11. 8㎜
The heights of thickness and lightness
1.76AS 1.50
mm( Negative: Edge thickness / Positive: Center thickness
Power Dia.1.76AS
1.70AS
1.67AS
1.60AS
1.60 1.50
-2.00 75 2.7 2.8 3.1 3.7 3.9 5.2
-4.00 75 4.5 4.8 5.2 5.7 6.5 8.4
-6.00 75 6.3 6.8 7.4 8.1 9.1 11.8
-8.00 70 7.3 8.0 8.5 9.6 10.2 13.1
-10.00
70 9.2 10.2 10.9 12.3 13.1 -
+2.00
70 2.3 2.3 2.3 2.8 3.0 3.9
+4.00
70 3.6 3.9 3.9 4.5 4.9 6.0
+6.00
65 4.5 4.9 4.9 5.7 6.2 7.7
+8.00
65 5.8 6.2 6.4 7.6 8.1 10.3
Thickness ComparisonThickness Comparison
Power Dia.TOKAI (S) company
1.76AS 1.74AS
-2.00 75 2.7 2.9
-4.00 75 4.5 4.6
-6.00 75 6.3 6.4
-8.00 70 7.3 7.6
-10.00 70 9.2 9.7
+2.00 70 2.3 2.8
+4.00 70 3.6 4.0
+6.00 65 4.5 4.9
+8.00 65 5.8 6.3
Thickness Comparison 2Thickness Comparison 2
mm( Negative: Edge thickness / Positive: Center thickness
Tensile Strength Test
MaterialMaterial
Ten
sile Stren
gth
1.701.70
1.741.74 1.761.76
1.501.50
≒
1.60/421.60/42
2 times as strong as 1.50