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Detail Description
SWANS ER-4 is a sunglass for daily use with square frames and adjustable nose pads. Classic frame design and color suit casual and even formal fashion styles. For lens, the photochromic technology that changes color depending on the amount of ultraviolet rays is used.
・Lens color : Photochromic clear to smoke Lens
・Frame color : Black
・Size : W:135mm × H:45mm
・Weight : 23g
・Curve : 6 curve
・UV protection rate：more than 99.9%
・Visible light transmission rate : 0.27
・Lens material : Polycarbonate
Frame material : Nylon
・Accessories : Semi hard case, Instruction paper
・Photochromic Lens
・Non-slip rubber temple
・Flexible nose
Compare with other ER Sunglasses series
|
Size |
H47mm / W141mm |
H46mm / W141mm |
H46mm / W137mm |
H46mm / W137mm |
H50mm / W140mm |
H46mm / W140mm |
H42mm / W141mm |
H37mm / W141mm |
H37mm / W145mm |
H40mm / W140mm |
H38mm / W140mm |
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Weight |
25g |
24g |
21g |
23g |
24g |
20g |
20g |
16g |
15g |
16g |
17g |
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Lens Interchangeable |
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Nose Adjustable |
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Model |
Size |
Weight |
Lens Interchangeable |
Noise Adjustable |
|
|---|---|---|---|---|---|
 |
H47mm / W141mm |
25g |
|
|
|
 |
H46mm / W141mm |
24g |
|
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|
 |
H46mm / W137mm |
21g |
|
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|
 |
H46mm / W137mm |
23g |
|
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|
 |
H50mm / W140mm |
24g |
|
|
|
 |
H46mm / W140mm |
20g |
|
|
|
 |
H42mm / W141mm |
20g |
|
|
|
 |
H37mm / W141mm |
16g |
|
|
|
 |
H37mm / W145mm |
15g |
|
|
|
 |
H40mm / W140mm |
16g |
|
|
|
 |
H38mm / W140mm |
17g |
|
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