Comparison the Nikon D7000 vs D90 vs D300S: core feature and specification differences

	Nikon D7000	Nikon D90	Nikon D300S
Construction	Magnesium alloy body	Poly-carbonate	Magnesium alloy body
Sensor	• 23.6 x 15.6 mm CMOS sensor • RGB color filter array • Built-in fixed low-pass filter (with self-cleaning unit) • 16.2 million effective pixels • RGB Color Filter Array • 14-bit A/D converter	• 23.6 x 15.8 mm CMOS sensor • RGB color filter array • Built-in fixed low-pass filter (with self-cleaning unit) • 12.3 million effective pixels • RGB Color Filter Array • 12-bit A/D converter	• 23.6 x 15.8 mm CMOS sensor • RGB color filter array • Built-in fixed low-pass filter (with self-cleaning unit) • 12.3 million effective pixels • RGB Color Filter Array • 14-bit A/D converter
ISO range	• Auto ISO (100-Hi2) • ISO 100-6400 in 0.3 or 1.0 EV increments • H1 and H2 (ISO 12800 and 25600) expansion • Adjustable Auto ISO limit	• Auto ISO (400-H1) • ISO 200 -3200 in 0.3 or 1.0 EV increments • L1 (ISO 100) and H1 (ISO 6400) expansion • Adjustable Auto ISO limit	• Auto ISO (400-H1) • ISO 200 -3200 in 0.3 or 1.0 EV increments • L1 (ISO 100) and H1 (ISO 6400) expansion • Adjustable Auto ISO limit
Movie resolution*	• 1920 x 1080p (24fps) • 1280 x 720p (30, 25, 24fps) • 640 x 424p (30, 25fps)	• 1280 x 720p (24 fps) • 640 x 424p (24 fps) • 320 x 216p (24 fps)	• 1280 x 720p (24 fps) • 640 x 424p (24 fps) • 320 x 216p (24 fps)
AF sensor	• 39 AF points • 9 cross-type sensors	• 11 AF points • 1 cross-type sensor	• 51 focus points • 15 cross-type sensors
Metering sensor	• TTL exposure metering using 2016-pixel RGB sensor • Metering range: EV 0 - 20 EV	• TTL exposure metering using 403-pixel RGB sensor • Metering range: EV 0 - 20 EV	• TTL exposure metering using 1005-pixel RGB sensor • Metering range: EV 0 - 20 EV
Viewfinder	• Eye-level pentaprism • 100% frame coverage • Magnification: 0.94x • Eyepoint: 19.5 mm • Type B BriteView Clear Matte screen Mark II with AF area brackets • Built-in diopter adjustment (-3 to +1.0m-1)	• Eye-level pentaprism • 96% (horizontal and vertical) frame coverage • Magnification: 0.94x • Eyepoint: 19.5 mm • B-type BrightView Clear Matte Screen II with AF area brackets • Built-in diopter adjustment (-2 to +1m-1)	• Eye-level pentaprism • 100% frame coverage • Magnification: 0.94x • Eyepoint: 19.5 mm • B-type BrightView Clear Matte Screen II with AF area brackets • Built-in diopter adjustment (-2 to +1m-1)
Continuous shooting rate	• Approx 6 fps max	• Approx 4.5 fps max	• Up to approx 8fps with AC adapter or MB-D10 pack and batteries other than EN-EL3e
Memory format	• SD/SDHC/SDXC (dual slots)	• SD/SDHC	• Compact Flash (type I and UDMA) (dual SD/CF slots)
Dimensions	Approx 132 x 105 x 77mm (5.2 x 4.1 x 3.0in)	Approx 132 x 103 x 77 mm (5.2 x 4.1 x 3.0 in.)	Approx 147 x 114 x 74 mm (5.8 x 4.5 x 2.9 in)
Weight (inc battery)	780 g (1.7 lb.)	704 g (1.5 lb.)	918 g (2.2 lb.)

In above camera Best camera for photography is Nikon D7000 In our view...