Digital single-lens reflex, or DSLR, cameras are professional-level digital cameras that are superior in quality to compact cameras. Nikon and Sony have their own DSLR models that should be carefully compared before purchasing.
Resolution
Resolution is the number of pixels that are used to capture an image,
measured by a camera's effective pixels. Sony generally advertises
higher megapixel count than Nikon on comparable models. For example, the Sony A350 has 14.2 million pixels compared to the Nikon
D80, which has 10.2 million pixels. This results in Sony cameras
providing a slightly larger and more detailed image.
Performance
The downside of the larger image size in the Sony camera
becomes apparent in its performance. The larger image size creates a
burden on the memory, slowing down the camera's speed at taking shots in
quick succession as well as saving shots to the memory card. The Nikon
has slightly smaller images and lower resolution, but its performance
does not suffer.
Lens Quality
The resolution is better in the Sony cameras, but the
entry-level lenses do not provide the sharpness necessary to realize the
difference. The Nikon lens that is packaged with the camera provides
optics that are capable of representing the imaging capabilities of the
camera. When directly compared, the Nikon produces sharper images.
Other Features
Both cameras provide multiple shooting modes, flash controls
and comparable ISO and shutter speed settings. However, Nikon performs
better in low light, has better light metering and provides a better
viewfinder.
Price
Nikon cameras generally are more expensive than Sony models. However, they are generally higher in quality and performance.
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