The is lens just 209.6mm long with a maximum diameter of 93mm, an astoundingly compact size for a 500mm ultra-telephoto zoom designed for full-frame mirrorless cameras. Even when extended to the 500mm telephoto end, the lens is still remarkably compact at only 283mm, weight is 1725g without tripod mount.On the new lens you´ll find many new exciting functions such as Flex zoom lock, strap holder and built in Arca-swiss quick release.Flex zoom lock mechanism lets the photographer instantly lock the lens into any zoom position by sliding the zoom ring back and forth.This prevents unintentional movement of the lens barrel due to the weight of the lens. A conventional zoom lock switch is also installed to prevent the lens barrel from sliding down under its own weight while being carried.The quick-release is Arca Swiss compatible and the grip shape is designed for easy holding. It´s made of magnesium to reduce weight which in turn reduces the burden of hand-held and features a strap attachment hole.The 150-500mm features the highly acclaimed VXD AF linear motor focus mechanism that delivers an extreme high-speed and high-precision movement and ensures exceedingly responsive performance.Even when shooting at the telephoto end, the 150-500mm provides fast, comfortable and accurate focusing at all shooting distances, from near to far.Focus tracking has been vastly improved to facilitate capturing fast-moving subjects, for example sporting events, birds and aviation photography. This ensures that those dramatic, action-packed moments are never missed, whether shooting still photos or video. Additionally, the linear motor also reduces drive noise and vibrations produced during focusing making it ideal for shooting both still photos and video in low-noise environments.The lens features Tamrons popular VC mode that holds up to 4 f-stops and allows you to switch between three settings (Mode 1: Standard, Mode 2: Exclusively for Panning, and Mode 3: Framing Priority). This functionality delivers excellent image stabilization performance, enabling efficient reduction of image blurring caused by camera shake.Optical construction consists of 25 elements in 16 groups including one XLD (eXtra Low Dispersion), five LD (Low Dispersion), and two Hybrid Aspherical lens elements that thoroughly controls aberrations including axial chromatic aberrations. Lenses features Tamrons famous BBAR-G2 coating that suppresses ghosting and flare to a minimum and helps to boost details in the picture.The lens features an MOD (Minimum Object Distance) of 0.6m at 150mm wide-angle end, and 1.8m at the 500mm telephoto end.The lens has a moisture-resistant construction and fluorine coating to ensure use even in harsh weather conditions. It is compatible with many of the popular features that Sony builds into its cameras, including Fast Hybrid AFand Eye AF. Key specifications Compact ultra-telephoto zoom lens Stunning image quality Fast autofocus VC mode that holds up to 4 f-stop Moisture-resistant construction Rotational angle of the zoom between 150 to 500mm is a mere 75º Lens hood with flexible, protective front
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