Canon EOS-1D X is the new flagship of the Canon EOS DSLR camera, it features an 18.1 Megapixel full-frame CMOS sensor, 61-point AF sensor, and all-new Dual DIGIC 5+ Image Processors deliver high quality image capture at up to 14 fps shooting speed. And a powerful ISO range of 100 - 51200 (up to 204800 in H2 mode) provides sharp, low-noise images even in the dimmest low-light conditions. With its advanced Full HD EOS Movie shooting capabilities it will also find favor with videographers who shoot a wide range of subjects.
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Nikon D4 DSLR User's Manual Guide (Owners Instruction)
Nikon D4 is the new flagship of Nikon's DSLR. Inside the ultra-rugged body, D4 strikes an ideal balance between resolution, sensor size, high-speed, image processing and high ISO performance. It equipped with a new Nikon FX-format 16.2 MP Full Frame CMOS sensor and EXPEED3 processor enable superior image capture up to 11 fps and broadcast quality Full 1080p HD movie. Combine that with cutting-edge 91K RGB sensor metering and 51 points AF systems, intelligently designed controls and multiple connectivity options, and D4 liberates the world's top-notch photographers and multimedia artists like never before.