November 11, 2009
- Soft out-of-focus backgrounds and superior optical performance
- Internal focusing system maintains overall length during focusing
- Two low-dispersion glass elements compensate for chromatic aberration
- Autofocus and manual focus one-touch switchover mechanism
- Digitally integrated design for Nikon mount Digital SLR cameras
Product Description
This lens bears the Di (Digitally Integrated Design) log, reserved for TAMRON lenses that meet the performance characteristics of digital SLR cameras. This lens employs an IF (Internal Focusing) system that maintains the overall length of the lens during focusing. Angle of View – 14 degrees 7 Diaphragm Blades Minimum Focal Distance – 18.5 Macro Magnification Ratio – 1 – 1 Filter Diameter – 72mm Weight – 32.5 ounces Dimensions – 3.3 x 6.5 … More >>
Tamron AF 180mm f/3.5 Di SP A/M FEC LD 1:1 Macro Lens for Nikon Digital SLR Cameras
November 7, 2009
- 190mm macro lens with f/3.5 maximum aperture for Canon SLR cameras
- 3 UD glass elements and internal floating system combine to minimize aberrations
- Advanced ultra-sonic monitor (USM) for high-speed, quiet autofocusing
- Focusing distance range of 1.57 feet to infinity; supports EF Extender 1.4x and 2x
- Measures 3.2 inches in diameter and 7.3 inches long; weighs 2.4 pounds; 1-year warranty
Product Description
Canon presents a telephoto macro lens with a maximum magnification of 1x. Life-size close-ups can be taken from a farther distance without disturbing the subject (insects, etc.). The internal floating system minimizes fluctuations in aberrations caused by changes in the focusing distance. Optical performance is outstanding from 1x to infinity.Amazon.com Product Description
Bring small things into full-sized view with the Canon EF 180mm macro USM lens. Macr… More >>
Canon EF 180mm f3.5L Macro USM AutoFocus Telephoto Lens for Canon SLR Cameras
November 4, 2009
- Floating Inner Focusing System
- It is possible to use 1.4x or 2x Sigma Apo Tele Converters
- Use of SLD (Special Low Dispersion) glass
- Inner Focus
Product Description
Taking picture of small animals and insects can be difficult, because they often run or fly away, or can be dangerous or become aggressive if you approach them. Therefore it is advantageous to have a greater working distance between the camera and such subjects. Longer focal length lens can provide this greater distance, but most long lens do not focus close enough to provide a large image of small subjects. The tele-macro type lens solves this problem by producing … More >>
Sigma 180mm f/3.5 EX DG IF HSM APO Macro Lens for Canon SLR Cameras
