wide field of view and a collaboration with tom wallisch. big is beautiful! in keeping with this motto, the spy raider offers a huge field of view for maximum fun on the mountain. the extra-large cylindrical lens with hd+ lens technology and the patented scoop® ventilation system, brings you safely up and down the mountain, no matter what weather conditions await you.spy ml rose platinum spectraâ„¢ lenshd+ lenses are designed to transmit a maximum of good rays while blocking bad rays. the good rays have been proven to boost our mood and alertness. in addition, the hd+ lens enhances colour and contrast, making bluebird days even bluer and bumps and cracks more visible.transmittance of visible light: 25 %