
Ranked among the top DSLR cameras worth buying today, the Sony A77 II and Pentax K-S1 are truly ideal choices for newcomers and professional photographers alike.
In terms of design, the Sony Alpha 77 II is highly regarded, building upon the success of its predecessor, the A77. The camera introduces several changes such as the Alpha logo changing to silver instead of red, removal of the focus assist light and D-pad, replaced with a control dial for menu navigation.
The Sony Alpha 77 II is not small in size, measuring 142.6 x 104.2 x 80.9 mm, equivalent to the size of the Nikon D800. The body of the Alpha A77 II offers dust and moisture resistance, meaning it can perform well in any harsh environment. The camera features a magnesium alloy frame and a sturdy polycarbonate outer shell for a secure grip.
In terms of features, the Sony Alpha 77 II stands out with its new phase-detection autofocus mechanism, allowing the AF system to track moving subjects effortlessly. Meanwhile, the 79-point AF system also provides good full-frame focusing capability. As a result, when tracking fast-moving subjects, the AF on the Sony Alpha 77 II still delivers beautiful and accurate focusing.
Sony Alpha 77 II is widely available in many retail chains at a reasonable price range of 22-24 million VND, considering its capabilities.

The standout feature of the Pentax K-S1 is its unique LED lights integrated into the power button, mode dial, OK button, and grip, creating a modern and stylish appearance. Additionally, the K-S1 simplifies complex buttons and dials found on other DSLR models, integrating them into the multifunction LCD screen on the back of the camera.
Key features of the Pentax K-S1 include a 20.12MP APS-C sensor with ISO sensitivity up to 51,200, anti-aliasing filter, and Shake Reduction image stabilization. The camera is equipped with the SAFOX IXi+ AF autofocus system with 11 focus points (9 cross-type) and a burst shooting speed of 5.4fps (buffer of 20 JPEG images or 5 RAW images).
Currently, the Pentax K-S1 is priced between 13 to 15 million VND at various retail chains nationwide.
Let's explore the technical specifications comparison of these two camera models below:

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