SP 70-200mm F/2.8 DI VC USD Telephoto Zoom Lens For Canon EOS Product Description:
Image Stabilization and Focusing Systems
Focal Length - 70-200mmMaximum Aperture - F/2.8Angle of view (diagonal) - 34?21'- 12?21' (with full-size SLR cameras), 22?33'- 7?59' (with APS-C sized sensor digital SLR cameras)Lens Construction - 23 elements in 17 groupsMinimum Focus Distance - 51.2 in (1.3m)Maximum Magnification Ratio - 1:8 (at f=200mm: MFD 51.2")Filter Size - ?77mmLength - 7.4 in (188.3mm)Entire Length - 7.7 in (196.7mm)Diameter - ?85.8mmWeight - 51.9 oz (1,470 g)(including detachable tripod mount)No. of Diaphragm Blades - 9 (rounded diaphragm)Minimum Aperture - F/32Standard Accessory - Flower-shaped lens hood
SP 24-70mm f2.8 Di VC USD Canon EOS Mount (AFA007C-700) Product Description:
Tamron Di lenses are performance optimized for digital SLR cameras and usable with DSLRs featuring sensors commonly referred to as APS-C, measuring approximately 24mm x 16mm, as well as larger full frame (36mm x 24mm) sensors and 35mm film SLRs.
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. 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, including three LD elements and two XR (Extra Refractive Index) glasses. Tamron has minimized all types of chromatic aberration in the A007, making it a lens at the top of its class whether you use it on a digital APS-C, full-frame, or 35mm SLR camera. The A007's F/2.8 aperture enables a balance between brilliant resolution and beautiful soft blur effects. This ideal lens makes full use of Tamron's rounded diaphragm and the uncontrived, artistic blur that it provides. It is also Tamron's ?rst lens to feature our new moisture-resistant construction. Portraits. Landscapes. Studio shoots. This is the lens for them all. Capture the finest details of your images in precisely the way you have always wanted to. Extend your art to the limits of your inspiration with the A007.
Lens Construction (Groups/Elements) - 12/17Angle of View (diagonal) - 84?04' - 34?21' (for full frame 35mm format cameras)60?20' 22?33' (for APS-C format cameras)Diaphragm Blade Number - 9 (rounded diaphragm)Minimum Aperture - F/22Minimum Focus Distance - 0.38m (15.0 in)Macro Magnification Ratio - 1:5 (at f=70mm: MFD 0.38m)Filter Diameter - 82mmWeight - 825g (29.1 oz)Length - 108.5mm (4.3 in)Full Length - 116.9mm (4.6 in)Diameter - 88.2mm (3.5 in)Accessory - Flower-shaped Lens hood