Intercoms; Monoculars; Apparatus for measuring the speed of golf swing; Body-tubes for telescopes; Downloadable electronic books in the field of golf instruction; Electronic rangefinders for hunting and golf; Golf accessories in the nature of magnetic mounting devices for range finders; Golf club swing aids, namely, target laser and lights; Hunting binoculars; Laser rangefinders; Optical glasses; Optical lens sights; Optical or telescopic lens sights; Rangefinders for golf; Tripods