Which camera is right for me? - 1

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I'm going to buy a new camera but I'm having trouble choosing which one is right for me. I'm impressed with nikon p510 but the auto focus in shooting mode is so poor, the other is canon sx50 hs, but in this camera there's no panorama & low resolution as compare to nikon p510.

Canon sx50

Canon SX50 undoubtedly.
Canon SX50 and Nikon P510 have same resolution.(The advertised megapixels have nothing to do with true megapixel stuff)
4000 x 3000 Native Resolution---2.3 µm² Pixel Size--Canon(9.7 MP)
4608 x 3456 Native Resolution---1.8 µm² Pixel size --Nikon(9.7 MP). Don't fall for that megapixel gimmick. Its just a photo size not clarity.
Canon has 50x zoom compared to Nikon's 41.7x.
The Main Advantage of Canon sx50 is that it shoots RAW which is very important for a Pro photographer.
Also it has got External Flash, 240 p Movies, 24p, Burst shoot of 13fps.
Nikon P510 has got 3D /Panorama but we don't use it as extensively as RAW, 240p, External Flash etc
So go for Canon sx50

Canon sx50 is good one for you. You should buy this camera with very decent features.

Sony

The best is canon sx50 (as per your list)

Canon sx50