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Interchange your Forty with our range of Forty Spare parts. This Cat 1 optical Class One lens provides Maximum protection against UVA/UVB and harmful blue light up to 400nm. Distortion free and impact resistant. Tested to BS EN ISO 12312-1:2013 A high definition lens ideally suited for medium to bright light conditions. The light vermilion/violet tint helps with contrast against blue and green (Lifestyle and Sport).
Interchangeable Titan Lens Optical class 1. HDL Cat.1 Unique lens switch technology. Compatible only with the Bloc Forty model.
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CAT 1 80-43% light transmission. A high definition lens ideally suited for medium to bright light conditions. The light vermillion/violet tint helps with contrast against blue and green. It offers excellent definition in low light conditions with acceptable protection when bright. Ideal for sports played on grass, particularly golf.
