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More Indepth Look On DX Lenses

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DX Lens
Nikon digital SLR cameras all use a sensor that is smaller than 35mm film, but the cameras themselves accept standard 35mm format lenses. The decision by Nikon to use a “cropped” sensor in its digital cameras can be debated ad nauseum as to its merits; depending on their subject, photographers either loved or hated the smaller sensor format.DX Lens
The APS-C sensor in Nikon digital SLRs has a “crop factor” of 1.5X. Wildlife shooters immediately liked the idea of their 200mm lens having the same angle of view as a 300mm lens. .
For the first time, here was a lens specifically designed to cover the smaller sensor area of the APS-C digital SLRs. .
However, 2005 saw new lenses introduced with super-wide focal lengths in the Nikon F-mount from each of the three major third-party lens manufacturers. .
Nikonians was able to obtain a production-level sample of each of the four lenses from their respective manufacturers. .

THE SIGMA 12-24mm LENS
may ask why the Sigma 12-24mm was not included in this test. All reports are that the Sigma is a very fine lens, and it has the virtue of working on 35mm bodies at all focal lengths. .

THE TESTS
Chances are, if you want a lens this wide, you’re either shooting landscapes or photojournalism-style photography.
Both cameras were tripod mounted and set to ISO 200, and we used aperture-priority matrix metering. We also shot some images in RAW to evaluate post-processing techniques for removing vignetting and chromatic aberration. .
We also judged the build and handling characteristics of each lens.
So here, alphabetically, are our individual reviews of each of these super-wide lenses, followed by our summary and conclusions..
The APS-C sensor in Nikon digital SLRs has a “crop factor” of 1.5X. Wildlife shooters immediately liked the idea of their 200mm lens having the same angle of view as a 300mm lens. .
For the first time, here was a lens specifically designed to cover the smaller sensor area of the APS-C digital SLRs. .
However, 2005 saw new lenses introduced with super-wide focal lengths in the Nikon F-mount from each of the three major third-party lens manufacturers. .
Nikonians was able to obtain a production-level sample of each of the four lenses from their respective manufacturers. .

THE SIGMA 12-24mm LENS
Some may ask why the Sigma 12-24mm was not included in this test. .

THE TESTS
Chances are, if you want a lens this wide, you’re either shooting landscapes or photojournalism-style photography.
To level the playing field between cameras, we shot our test images in JPEG mode with sharpening set to medium-high in the camera. .
We also judged the build and handling characteristics of each lens.
So here, alphabetically, are our individual reviews of each of these super-wide lenses, followed by our summary and conclusions.. To here more click on this >>>>DX Lens

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