Saturday, January 21, 2012

Inspiration

Short film created for IFSS 2011 Future Filmmakers Scholarship. chapmanfilms.co.cc -- Shot on Canon 550D, EF-S 18-55mm f3.5-5.6, EF-S 60mm f2.8 Macro

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Monday, January 16, 2012

Tamron SP AF60mm F/2.0 Di II LD [IF] Macro 1:1

Review, prueba, del nuevo objetivo de Tamron SP AF60mm F/2.0 Di II LD [IF] Macro 1:1]. Un objetivo macro, ideal para retratos, plantas, flores, insectos... Más información naturpixel.com

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Tuesday, January 10, 2012

Canon EF-S 55-250mm f/4.0-5.6 IS Telephoto Zoom Lens for Canon Digital SLR Cameras

!9#:Canon EF-S 55-250mm f/4.0-5.6 IS Telephoto Zoom Lens for Canon Digital SLR Cameras

Brand : Canon
Rate :
Price : $179.00
Post Date : Jan 11, 2012 05:33:53
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This telephoto zoom lens is designed with Canon's Optical Image Stabilizer technology while retaining compactness and lightness, in response to demands of photographers. This high zoom ratio lens is equivalent to a focal length of 88-400mm in the 35mm format (when used on Canon EOS cameras compatible with EF-S lenses), and the image stabilizer effect equivalent to a shutter speed about 4 stops faster than the same size lens without Image Stabilizer. In other words, if the slowest shutter speed you could formerly hold a 250mm lens steadily was 1/250th of a second, with Canon's 4-stop stabilization correction, you could hand-hold at shutter speeds as slow as 1/15th of a second. It also uses a UD-glass lens element to correct chromatic aberration for excellent image quality throughout the zoom range. This new EF-S telephoto lens with great features delivers excellent performance at an affordable price for all photographers.

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Sunday, December 25, 2011

Tamron 28-75mm f/2.8 Review - The Sharpest Zoom Lens For Cropped Sensor DSLR

!9#: Tamron 28-75mm f/2.8 Review - The Sharpest Zoom Lens For Cropped Sensor DSLR

If you own a cropped sensor DSLR and are in the market for a great zoom lens, then the Tamron 28-75mm f/2.8 is an excellent buy. I tested this lens on both the cropped sensor and full frame sensor cameras. I used the Nikon mount, though Tamron made the Sony, Pentax, and Canon mounts as well.

Originally designed for a full frame sensor camera, the focal length is not very comfortable on an APS-C (cropped) sensor DSLR. However, the image quality is much better in the cropped censor camera than the full frame equivalent.

If you use an APS-C DSLR and require a wider angle and more versatile focal length, you are better off buying the Tamron 17-50mm f/2.8 VC lens.

With the Tamron 28-75mm f/2.8, I was able to get extremely sharp images, perhaps the best among all Tamron zoom lenses, when used in conjunction with an APS-C camera. Distortion, chromatic aberration, and vignetting are all minimal to negligible. If you feel that you can adjust to the awkward zoom range, you'll get yourself a great zoom lens for your cropped sensor camera.

I was able to take some really sharp group photos and shoot some interesting still life with this lens.

For those using full frame DSLRs, the lens does not perform as well compared when used in conjunction with a cropped sensor camera. All the distortion, vignetting and chromatic aberration will start to show up in the corner. This of course can be remedied by using the proper post processing techniques.

In conclusion, the Tamron 28-75mm f/2.8 is an excellent professional lens at a bargain price.


Tamron 28-75mm f/2.8 Review - The Sharpest Zoom Lens For Cropped Sensor DSLR

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