Tamron Canon AF

Tamron AF 18-200mm f/3.5-6.3 XR Di II LD Aspherical (IF) Macro Zoom Lens for Canon Digital SLR Cameras Tamron Canon AF. I have owned this lens for over a year now and it never ceases to amaze me when I see the photos it produces. Over this last year I have come to learn a thing or two about how to use this lens.1) If you are going to shoot indoors, or in low light, with a long focal length (like 200mm) use a tripod or plenty of ambient light. This lens doesn't have a built in image stabilizer so you are going to steady the lens with the tripod or use a real fast shutter speed to minimize your hand jitter.2) Use a smaller aperture. I have found that my best photos come from an ... It employs a new optical system designed to confine the changing angles of incidences of light rays reaching the imager over the entire image field. The Zoom Lock prevents unwanted barrel extension when carrying the lens/camera combination . » More Information...

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