
Among the most worthy DSLR camera models to buy today are the Nikon D7100 and Pentax K-S1. They are truly ideal choices for both beginners and professional photographers.
The Nikon D7100 overall brings many upgraded details compared to its predecessor, such as the 24MP sensor which removes the anti-aliasing filter, resulting in sharper images, and the 51-point autofocus sensor promising faster and more accurate focusing.
In terms of design, the D7100's camera frame is relatively sturdy with a magnesium alloy top and rear, combined with flexible polycarbonate plastic edges, providing a good user experience in all weather conditions.
Previously, some users tended to prefer the Nikon D300(s) series over the D7000 due to its faster and more accurate focusing ability, alongside its sturdy body. However, with the 51-point autofocus technology on the D7100, the image quality and focusing performance are now equivalent, if not surpassing the D300, making the D7100 the top APS-C DSLR series from Nikon for a long time.
Filming is also a priority feature on the D7100: besides shooting Full HD 1080 60i/30p, the D7100 is equipped with a stereo microphone, an external microphone jack, and a headphone jack for monitoring. Currently, the Nikon D7100 Body only ranges from 15 million VND.

The Sony A58 is considered a worthy upgrade for the Sony A37 and Sony A57 camera series with a somewhat simpler design. The camera features a 2.7-inch LCD screen with a modern tilt design, supporting good HD 1080p video recording experience.
In terms of technical specifications, the Sony A58 features a 20.1MP Exmor APS HD CMOS sensor instead of 16.1MP as on the A57. The A58 also uses the BIONZ processor which Sony claims maximizes noise reduction, improving performance in the ISO 100-16000 range. Additionally, the camera provides a 15-point autofocus (AF) system including three cross-type points for faster and more sensitive AF. Moreover, the A58 also introduces a new feature 'auto focus lock' providing optimal sensitivity for AF.
Like all of Sony's new DSLR camera series, the A58 also uses SLT translucent mirror technology. One downside of the A58 is that it comes with an electronic viewfinder (EVF) instead of an optical lens. Currently, the Sony A58 is being sold for prices ranging from 10 to 11 million VND.
Let's delve into the comparison table of the technical specifications of these two camera models below:

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