First Camera: Nikon D300s (Professional Class) Sensor: 12.3 MP CMOS (DX format). Shooting Speed: Up to 7 frames per second (excellent for sports and bird photography). Focus: Advanced 51-point focus system, fast and accurate. Video: HD 720p recording with external microphone port. Body: Very strong and resistant to dust and moisture (made of magnesium). Memory: Dual slot for two cards (SD + CF) for data security. Second Camera: Nikon D90 (The Legendary Amateur Camera) Sensor: 12.3 MP CMOS (DX format) with great colors. Shooting Speed: Up to 4.5 frames per second. Focus: 11-point focus system. Screen: Clear 3-inch rear screen. Weight: Lightweight and very comfortable for daily use and travel.