Nikon D300s

Rapid 7 fps*1 or 8 fps*2 continuous shooting (CIPA Guidelines)
D-Movie function including an external stereo microphone input
Multi-CAM 3500DX AF sensor module featuring 51 AF points
Large, bright viewfinder with approx. 100% frame coverage
DX-format CMOS image sensor; 12.3 effective megapixels
Nikon's original Scene Recognition System, utilizing 1,005-pixel RGB sensor, delivers more accurate autofocus, auto exposure, i-TTL flash control and auto white balance
Dual card slots for CF/SD memory cards
Magnesium alloy body for light weight and rugged durability
Durable shutter unit proven by 150,000 cycles of testing on fully assembled camera
Easy-to-access Live View modes enable ease of shooting while composing on the LCD monitor
Quiet Shutter-release mode for nonintrusive shooting
Active D-Lighting allows bracketing images up to five frames
Built-in flash with 16mm lens coverage and Nikon’s original i-TTL flash control that commands Advanced Wireless Lighting
Highly efficient energy-saving design allows as many as 950 images on a single charge of the Rechargeable Li-ion Battery EN-EL3e (CIPA Standards)
Versatile in-camera Retouch Menus enable enhancement of images without using a computer
Compatible with HDMI (High-Definition Multimedia Interface) output
Optional Multi-Power Battery Pack MB-D10 extends shooting capability up to approx. 2,950 shots*3 per charge (CIPA Standards)
Capture NX 2, Camera Control Pro 2, and Image Authentication Software (all optional) enable more advanced operation and image editing

Nikon D7000

16 Megapixel CMOS Sensor - Effective picture angle appx 1.5x
Shoots RAW, JPEG and HD Video
Nikon F mount
Improved HD Video at 1920x1080 / 24 fps
Continuous high-speed shooting at 6 frames per second
Live View mode
CLS Supported via Built-in flash (Commander Mode)
Built-in microphone, external stereo mini-pin jack
3" Wide Viewing Angle TFT-LCD
Eye-Fi Compatible

Nikon D3100

14 Megapixels
Image sensor cleaning
Airflow Control System
DX-format
JPEG and Nikon NEF Raw
SD / SDHC / SDXC Cards
BriteView Clear Matte Mark VII screen (Type B)
Supports Nikon Creative Lighting System (CLS)
Live View Shooting
Live Face-Detection Autofocus
Shoots HD Video up to 1920×1080 / 24 fps

Nikon D90

Nikon DX-format CMOS 12.3 megapixels
Integrated Dust Reduction System
Incredibly low-noise performance throughout a wide sensitivity range of ISO 200 to 3200; can be set to ISO 6400 equivalent
D-Movie, selectable from 320 x 216 pixels, 640 x 424 pixels or 1,280 x 720 pixels in AVI format
Live View enables face priority AF with the 3-in., approx. 920k-dot, high-density color LCD featuring 170° ultra-wide viewing angle
Active D-Lighting
11 AF points
4.5 fps with quick response of 0.15-second start-up and 65-ms shutter release time lag (CIPA standard)
Compatible with HDMI (High-Definition Multimedia Interface) output
Lightweight compact body

specs (Nikon Site)

SB-700 Speedlight

Portable, Versatile Speedlight Unit
i-TTL Speedlight for use with Nikon's Creative Lighting System (CLS).
Complete Flash Head Positioning Freedom Bounce 90°up and 7°down with 360° rotation
Wireless Commander Mode
Automatic Format Identification Automatically senses the FX or DX-format camera in use and optimizes light distribution.
Hot Shoe and Wireless Operation Use on-camera, as a wireless master, commander or remote light source.
Versatile Auto Power Zoom Coverage Smoothly covers lenses as wide as 24mm and up to 120mm in FX-format.
Streamlined Controls and Menus Convenient Rotary Select Dial sets key functions quickly and a prominent Master and Remote control switch simplifies wireless operation.

SB-900 Speedlight

Multi-step auto zoom covers wide 17-200mm zoom range (24-105mm:SB-800)
Three illumination patterns (standard, centre-weighted and even) are available to match each shooting environment
Automatically detects Nikon FX and Nikon DX formats and selects suitable light distribution
Improved booster circuit for high-speed recycle time: Recycle time using four AA-size batteries is almost equal to the SB-800 with five AA-size batteries
New AF-Assist illumination covers a wide 20-105 mm focal range compatible with the new Multi-CAM3000 FX/DX AF sensor
Firmware update via Nikon D3 and D700 (world’s first*)
Thermal Cut-out function limits the number of flashes to avoid deterioration of light emitting parts caused by continuous flash firing
Automatically detects colour filters (fluorescent or incandescent), enabling camera to control colour temperature according to filter information from SB-900
Improved switch panel for enhanced usability
Improved GUI using a large-size LCD dot panel
Bounce capability: tilts up to 90º, down to -7º, rotates horizontally 180º to right and left
Advanced Wireless Lighting and versatile functions for up to three remote SB-900s or other compatible Speedlight groups controlled through the master SB-900
Optional Water Guard WG-AS1 (for D3), WG-AS2 (for D300), and WG-AS3 (for D700) is useful for protecting the camera's hot shoe contact when the SB-900 is mounted on a Nikon digital SLR camera.