WELL-BALANCED ULTRA HIGH INDEX 1.70
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WELL-BALANCED ULTRA HIGH INDEX 1.70
WELL-BALANCED ULTRA HIGH INDEX 1.70
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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 ◎ ○
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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 ○ ◎
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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)
◎ ○ ○ ○
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Super Power Shield coatingSuper Power Shield coating
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Super Power Shield coating
Anti Edging Crack PropertySuper Power Shield coating
Anti Edging Crack Property
SPS Conventional Coating
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Super Power Shield coating
Superior Scratch ResistanceSuper Power Shield coating
Superior Scratch Resistance
SPS Conventional Coating
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Super Power Shield coating
Easy to CleanSuper Power Shield coating
Easy to Clean
SPS Conventional Coating
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Edging CrackEdging Crack
・ SPS coating prevents invisible edging crack
Visible Edging Crack Invisible Edging CrackIt might be visible crack gradually.
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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
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ADVANCED TECHNOLOGY
ULTRA HIGH INDEX 1.76
ADVANCED TECHNOLOGY
ULTRA HIGH INDEX 1.76
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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
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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
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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
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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