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The Tamron SP designation is reserved for lenses developed with special emphasis on extraordinary photographic performance. Engineers are free to innovate in an uncommon atmosphere where optical performance comes before price, resulting in lenses that satisfy the demands of discerning photographers. One of two Tamron 17-50mm F/2.8 offerings, the image integrity and compositional options afforded by the SP 17-50mm F/2.8 Di-II's wide-to-moderate-telephoto zoom characteristics are prized by experienced photographers. Both versions of the SP 17-50mm F/2.8 stem from the long-successful SP 28-75mm F/2.8—originally designed for 35mm film SLRs. Later refined to meet the needs of high-resolution digital SLRs with APS-C-format sensors, and like its further refined variant (the SP 17-50mm F/2.8 XR Di-II VC, model B005), the 17-50mm renders a picture angle range approximating a 26-78mm lens on a full frame DSLR or a 35mm SLR. A fast and constant F/2.8 maximum aperture benefits photogr

The Tamron SP designation is reserved for lenses developed with special emphasis on extraordinary photographic performance. Engineers are free to innovate in an uncommon atmosphere where optical performance comes before price, resulting in lenses that satisfy the demands of discerning photographers. Play with light as you explore the subtle aspects of beauty. An all-new, high-speed standard zoom lens with image stabilization. Photographic artists have been waiting for a full-featured, constant-aperture zoom lens. The wait is over. The A007 is a high-quality, highly functional, high-speed standard zoom lens covering the 24‒70mm focal range*1. It includes both Tamron’s proprietary VC (Vibration Compensation) image stabilization to reduce shake and its USD (Ultrasonic Silent Drive) motor, enabling speedy, silent autofocusing. This SP (Super Performance) series lens makes full use of specialized glass elements in its lens layout, designed with top priority on image quality, incl

HIGHLY VERSATILE WIDE ANGLE TO MEDIUM TELEPHOTO FX-FORMAT ZOOM LENS WITH NIKON'S SECOND-GENERATION VIBRATION REDUCTION (VR II) TECHNOLOGY FOR NOTICEABLY SHARPER PHOTOS AND HD VIDEOS. Advanced and versatile FX-format standard zoom with VR II image stabilization. Covering a versatile wide angle to medium telephoto zoom range, the new AF-S NIKKOR 24–85mm f/3.5-4.5G ED VR delivers noticeably sharper photos and HD videos thanks to Nikon's second-generation Vibration Reduction technology (VR II). Shoot at shutter speeds up to 4-times slower than would otherwise be possible for greater low-light capability, and enjoy the benefits of Vibration Reduction during HD video recording—even when using a tripod. Estimated Retail Price $599.95 Mount Type Nikon F-Bayonet Focal Length Range 24 - 85 mm Zoom Ratio 3.5x Maximum Aperture f/ 3.5 Minimum Aperture

ULTRA-HIGH-POWER 16.7X ALL-IN-ONE ZOOM LENS WITH NIKON'S SECOND-GENERATION VIBRATION REDUCTION (VR II) FOR BEAUTIFUL, SHARP IMAGES IN VARIED SHOOTING SITUATIONS. SUPRISINGLY COMPACT AND LIGHTWEIGHT, AN EXTREMELY VERSATILE ALL-IN-ONE DX-FORMAT LENS. Estimated Retail Price $999.95 Mount Type Nikon F-Bayonet Focal Length Range 18 - 300 mm Zoom Ratio 16.7 x Maximum Aperture f/ 3.5 Minimum Aperture f/ 22-32 Format DX Maximum Angle of View (DX-format) 76° Minimum Angle of View (DX-format) 5°20' Maximum Reproduction Ratio 0.32 x Lens Elements 19 Lens Groups 14 Optical Conversion Factor 1.5x Compatible Format(s) DX VR (Vibration Reduction) Image Stabilization Yes Diaphragm Blades 9 Distance Information Yes ED Gla