When comparing Sony A58 vs Pentax K-S1, the Slant community recommends Pentax K-S1 for most people. In the question“What are the best DSLR cameras for beginners?” Pentax K-S1 is ranked 10th while Sony A58 is ranked 13th. The most important reason people chose Pentax K-S1 is:
The camera is available in 12 different body colors.
Specs
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Pros
Pro Can automatically improve compositions
The camera includes a feature called Auto Object Framing that crops portraits and objects for better compositions.
Pro Offers choice of body colors
The camera is available in 12 different body colors.
Pro In-body stabilization saves money on lenses
Since stabilization can be applied to any lense, you can save money by not having to spend it on stabilized lenses which are generally more expensive than non-stabilized lenses.
Cons
Con Plastic lens mount
Instead of metal lens mount, the camera has a plastic lens mount that feels somewhat flimsier than a metal mount.
Con Poor grip
Unlike most camera bodies that use a rubberized grip, K-S1 has a plastic grip that is both smaller and slipperier making the camera more difficult to hold.