Motorized Zoom Lens
October 22nd, 2010
Canon EF Telephoto Lens Alternative – Tamron 70-300mm f4-5.6 Review
In the world today, plenty of people are purchasing entry level as well as mid-range digital slr cameras with kit lenses that will commonly can consist of something such as an 18-55mm or 18-105mm lens. That’s where Tamron’s 70-300mm VC (vibration compensation) zoom lens is perfect to fill in the higher end of the focal range.
As you look for lenses for your DSLR camera, Tamron is one of the companies that provides lenses for many brands and models. This particular lens could be an alternative choice for an equivalent Canon EF lens.
This specific new zoom lens has a new built-in focus motor, and simply because of that it’s the perfect option with regard to cameras that don’t contain a focus motor in-camera. Nikon has a few of these in their older models such as the D40, but it is also true of the D5000. In saying that though, it is also just the thing for those digital cameras that do have a focus motor.
As you work with this lens, each of the switches and focus ring controls tend to be sound, and the lens itself provides a pleasant weight and responsive feel. The lens hood is a bit deeper than you might expect, but that is not a problem, just an observation, and it makes the lens look more impressive and professional than grade lenses.
One thing on the down side could be the aperture range with respect to lower light shutter speeds. The f/4.0-5.6 just isn’t perfect with regard to digital photography in low light, even though it may be possible to obtain those slower shutter speed photos if you use a tripod. But it if you are going to shoot in the daylight, like wildlife, it really is fantastic. The Tamron folks declare there exists a 4-stop advantage using the Vibration Compensation, and trials apparently bear this out. This merely implies it is possible to hand-hold your camera much of the time instead of be too concerned pertaining to carrying a tripod along with you.
The autofocus (AF) is quick due to the focus motor. It works from about six feet to infinity.
An item you might not have thought about could be the focal length of a 300mm lens on the camera with an APS-C sensor. Practically every dslr in the entry level to mid-range level features one of these APS-C, or crop, sensors. They include cameras like the Canon Digital Rebel T2i as well as Nikon D7000. The effective focal length with one of these types of digital cameras happens to be 450mm – 480mm hinging upon whether it is a Nikon or the Canon. You can get “up close and personal” with that kind of range.
About the Author
I love photography and all things related to it. Cameras, camera gear, and image editing software fascinate me, so I am either buying the newest piece of equipment (or software) or researching my next purchase.
To find out more about telephoto zoom lenses for Canon cameras, go to http://www.canoneoslenses.org.
Samsung SCC-C4301 Box Camera Demo
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