380 Prescription safety spectacles Special lenses Special lenses for special requirements are available in combination with our RX cd 5505 flip-up models. The flip-up is fitted with non-prescription special lenses. The main frame is fitted with individual prescription safety lenses Didymium • special filter with high absorption at 589 nm, resulting in characteristic violet colour • the 'bright yellow sodium flare' is filtered out • lightweight polycarbonate filter with mechanical strength 'F' (45 m/s) • level of protection 2-2 in accordance with EN 170 • marking: 2-2 W 1 F CE • note: Didymium lenses do not provide increased protection against infrared radiation (IR) Areas of application: Glass production, glass processing, e.g. glass blowing X-ray protection •mineral lenses that provide protection against X-rays • the lead equivalent of the protective lenses is 0.75 • the lead content in the lenses gives them their characteristic grey colour (approx. 10% colouring) • marking: Pbeq 0.75 • note: Protective X-ray lenses are not tested and marked in accordance with EN 166 Areas of application: e.g. crack and material testing Welding protection • welding protection level 5 in accordance with EN 169 • grey-tinted polycarbonate filters for reliable protection against UV and infrared radiation with mechanical strength 'F' (45 m/s) • perfect colour perception during the welding process • marking: 5 W 1 FTK CE • note: Welding protection lenses do not provide sufficient protection against laser beams! Areas of application: Autogenous welding CBR65 • contrast enhancement – For better contrast and comfortable vision, even in diffused light • Blue light reduction – Blue light is reduced by up to 50% in extremely bright workplaces •Relaxed vision – Reduced eye fatigue, even during longer periods of use • 65% transmission – Slight tint for optimal protection against glare for high visual standards even in extremely bright, artificial light as well as natural light • lightweight polycarbonate filter with mechanical strength 'F' (45 m/s) • marking: 5-1.4 W 1 FK CE Areas of application: Workplaces with high visual standards in very bright artificial light or natural light Polarisation filter • polarising filters only let in radiation from one vibration direction — scattered radiation (e.g. reflection on the surface of water) is suppressed • lightweight polycarbonate filter with mechanical strength 'F' (45 m/s) • marking: 5-3.1 W 1 F CE Areas of application: • particularly suitable for workplaces with a high risk of glare and/or highly reflective surfaces • offshore, maritime environment, construction industry
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