The Nikon D850 brings together all the elements that make it this year’s choice for best pro DSLR. With its 45.7MP BSI CMOS sensor and EXPEED 5 processor, the D850 can capture up to 9 fps  (using the optional MB-D18 Multi-Power Battery Pack with the EN-EL18B battery - used in the D5 – inserted) for 51 consecutive shots in 14-bit NEF format. Focusing is rapid, with 99 cross-type sensors and a dedicated AF processor that can capture images in light as low as -4EV. The body is made with rugged magnesium alloy and carbon fibre materials with dust and water-drop resistance, as well as battery life that can handle up to1840 shots at full resolution or 70 minutes of 4K UHD-video off a single charge.