The shape is magnificent, the grip is good, and it looks like a mid-range machine. The picture quality is quite good. Nikon D7000 and Pentax K5 use the same sensor, which is definitely of the same grade (according to the evaluation of DXO laboratory in France, the tolerance, color depth and high sensitivity of this machine are among the best). Flipping the screen is very convenient and has many functions, including panoramic scanning, HDR, multi-frame noise reduction and so on. Continuous shooting is also tough, its biggest feature is the addition of a small sensor to help focus in real time. The disadvantage is that you can't focus automatically when shooting in HD (the same is true for Nikon D90).
Other machines of the same grade include Canon 600D, Nikon D5 100, Pentax Kr and Sony's own single battery A55. These models have similar comprehensive performance, each with its own advantages, pixel height of 600D, image quality of D5 100, rich Kr settings and strong A55 video continuous shooting. For most players, the differences between them are not enough to affect the film.
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If you choose Sony A580, Sony's "Three Treasures of the Poor" is a good choice. Three lenses, DT 18-55, DT50/f 1.8, DT55-200 (entry-level medium-long focus lens), are enough. The picture quality is not inferior to the advanced lens, but the workmanship/feel is a little poor, so novices don't need it.
If the money is not bad, it is recommended that DT 16-50/f2.8 SSM, 50/ 1.4, 70-300/4.5-5.6 G SSM (advanced medium-long focus lens), which will be better and more suitable.