Merker B C G H I K M N P R S V W B Breitler C Contessa G GPO (German Precision Optics) H Hawke Hikmicro I InfiRay Innomount K Kahles M Meopta N Noblex Nordic P Pard Pulsar R Rusan S Sightmark Steiner Swarovski Optik V Vector Optics Vortex W Warne Welter Optics