OPTILUXTM 

PERFORMANCE STANDARD

PREMIUM HIGH PERFORMANCE POLYCARBONATE SUN LENS

GEOMETRICAL/MECHANICAL

Coating   TEST TYPE   TEST CRITERIA 
Impact Resistance@2mm  High Speed Impact pass  impact with 6.5mm steel ball @45m/sec 
Lens thickness  Physical measurement  pass ±0.05mm 
Hardness  Pencil hardness  pass  5H , no significant scratching/marking on lens   
  Steel wool #0000  pass  no scratching at 600g weight ,30 cycles 
Adhesion  Hatch test  pass  tape pull 5 times ,no delamination 
Permanence  boiling water  pass  lens is submerged in 90°C water. 90mins, then hatch tested 
Chemical resistance exposure to chemicals  pass  lens exposed to acetone, isopropyl alcohol, methanol, salt water 
Thermal Shock  Hot/cold exposure  pass  lens exposed to 180°F oven then 0°C and checked for cosmetic 
Stress Lexan Stress test  <1500psi  lens is exposed to mixture of alcohols that indicate stress levels
Resistance to Weathering UV exposure  pass  no discoloration, or reduction in impact strength 

OPTICAL PERFORMANCE Tolerance
Spherical power <0.04d
Astigmatic power <0.04d
Prism <0.03d
UV 0%LT @400nm
Haze <1%
 
COSMETIC
Centered on optical axis
ZONE A no imperfections >0.10mm allowed 

ZONE B <0.16 imperfection allowed 
Corresponds to perimeter of edged lens 
ZONE C This portion of the lens will be removed during edging and has no cosmetic requirements. 
(within 5 mm of lens edge) 
IMPERFECTION
Free of distortion, waves, aberrations, particle specs, or other visible defects that impair optical quality 

AN ISO9002 CERTIFIED COMPANY

ABOUT USLENS-- colors and filters  lens dimensions
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FORESIGHT OPTICAL LTD.
7 SHIN HO ROAD, TAINAN, TAIWAN, R.O.C.
TEL : 886-6-2637562 FAX : 886-6-2610524
886-6-2657593-5 
E-mail :

inquiries@foresightoptical.com 
FORESIGHT OPTICAL (XIAMEN) LTD.
19 GUANGHUA ROAD, XINGLIN IND. PARK. XIAMEN, CHINA.
TEL : 86-592-621-8218 
FAX : 86-592-621-8266
E- mail : fosight@public.xm.fj.cn
 

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