SIGMA Handlebar Cycling Computer Mount For Rox/Pure GPS

Covering all the essence. Portable, durable and of a high-standard – A Masterpiece of hyper-telephoto lens. Photographers typically choose a prime lens when they require top image quality. However, the new flagship lens of our Sports line, the SIGMA 500mm F4 DG OS HSM｜Sports fulfills this need while incorporating SIGMA’s latest technologies and delivering a full range of advanced features and functions: enhanced dust and splash resistant structure*, Optical Stabilizer (OS) system, SIGMA Tele Converter compatibility, AF function switch, SIGMA’s latest-generation Hyper Sonic Motor (HSM), and more. Combining top-level optical performance with functionality for challenging shoots, SIGMA 500mm F4 DG OS HSM｜Sports sets a new standard for high-performance telephoto lenses. Feature: Outstanding functionality for challenging shoots. - Support for the adventurous photographer: all the functions you need to perform under tough conditions. Ideal for all sports photography: birds, animals, and other nature shots; airplanes and trains; motorsports portraits; and much more. Water- and oil-repellent coating and available exclusive Protector - Designed for top performance in tough shooting conditions, the SIGMA 500mm F4 DG HSM | Sports features highly effective dust and splash resistant structure*. The front of the lens features a water- and oil-repellent coating that allows water to be wiped away easily and helps prevent oil from sticking to the surface. This feature is particularly useful when shooting in a drizzle or near ocean spray. The lens is compatible with the exclusive SIGMA Protector LPT-11 (sold separately), which effectively helps prevent damage to the lens during shooting and maintenance. Magnesium alloy barrel: - To help minimize the weight associated with a hyper telephoto lens, the lens barrel is made with a magnesium alloy. Both lightweight and tough, this alloy contributes to the outstanding maneuverability of SIGMA 500mm F4 DG HSM | Sports. Magnesium alloy adopted: - Dust and Splash Resistant Structure This lens features a highly effective dust and splash resistant structure* with special sealing at the mount connection, manual focus ring, zoom ring, and cover connection, allowing photographers to work in all types of weather. Carbon fiber hood: - The lens hood is made of carbon fiber, which is both lightweight and strong. In fact, the entire lens is designed to be lightweight for outstanding performance in tough shooting conditions. High-precision: - rugged brass bayonet mount The brass mount combines high precision with rugged construction. Its treated surfaces and enhanced strength contribute to the exceptional durability of the lens. Specifications: - Lens Construction: 16 elements in 11 groups - Angle of View: 5° - Number of Diaphragm Blades: 9 (rounded diaphragm) - Minimum Aperture: F32 - Minimum Focusing Distance: 350cm / 137.8in. - Maximum Magnification Ratio: 1：6.5 - Filter size: Φ46mm (Rear) - Dimensions (Diameter × Length): Φ144.8mm × 380.3mm / Φ5.7in. × 15in. - Weight: 3,310g