There have been a lot of questions about the Sony and Nikon's 24.5 Megapixel full frame sensor. Are both these sensor carrying the same capabilities? The Sony Alpha 900 retails at US$2999 while Nikon D3x retails at US$7999. Does Nikon D3x really worth that amount of investment? Nikon D3x is currently priced around three times (3x) more than Sony Alpha 900. Here we show ISO image comparison between the two cameras for you to decide.

ISO samples below ranges from ISO100 to ISO6400 accompanied with 100% cropped sample. Autofocus was set to center point and noise reduction is set to standard mode. Lens used was AF-S Nikkor 24-70mm F2.8 G ED for Nikon D3x and Vario-Sonnar T * 24-70mm F2.8 ZA SSM for Sony Alpha 900 . ISO50 is only available on Nikon D3x All shots were taken using Program mode with auto white balance at focal length of 70mm.

1/125 second f/5.6 70mm ISO 3200 AF-S Nikkor 24-70mm F2.8 G ED

Below are sample images of ISO50, ISO100, ISO200, ISO400, ISO800, ISO1600 and ISO3200 at 100% Crop of Sony Alpha 900 and Nikon D3x :

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