This pentax 55/300 af lens compact zoom lenses are designed to bring out the optimum performance in PENTAX digital SLR cameras. When combined, they offer an extra-wide zoom coverage between wide-angle and super-telephoto ranges. The smc PENTAX-DA 55-300mm F4-5.8ED is a high-magnification telephoto zoom lens offering an approximately 5.5-times zoom ratio and focal lengths between 84.5mm to 460mm in the 35mm format. With its wide coverage over medium- to super-telephoto ranges, it is perfect for a wide range of telephoto applications, including portraits,sports and landscapes. Incorporating two ED ( extra-low dispersion ) optical elements, it offers superb optical performance, with minimal chromatic aberrations over the entire zoom range. These zoom lenses also share the following features :• SP ( Super Protect ) coating applied to the front surface of the optics to block dust and dirt• Quick-Shift Focus system for instant switching to manual-focus operation after the subject is captured infocus by the AF system• Durable, reliable metallic lens mount
This pentax 55/300 af lens compact zoom lenses are designed to bring out the optimum performance in PENTAX digital SLR cameras. When combined, they offer an extra-wide zoom coverage between wide-angle and super-telephoto ranges. The smc PENTAX-DA 55-300mm F4-5.8ED is a high-magnification telephoto zoom lens offering an approximately 5.5-times zoom ratio and focal lengths between 84.5mm to 460mm in the 35mm format. With its wide coverage over medium- to super-telephoto ranges, it is perfect for a wide range of telephoto applications, including portraits,sports and landscapes. Incorporating two ED ( extra-low dispersion ) optical elements, it offers superb optical performance, with minimal chromatic aberrations over the entire zoom range. These zoom lenses also share the following features :
• SP ( Super Protect ) coating applied to the front surface of the optics to block dust and dirt• Quick-Shift Focus system for instant switching to manual-focus operation after the subject is captured infocus by the AF system• Durable, reliable metallic lens mount