Nikon D700 vs D3:

The Camera Nikon D700 vs D3: Key Differences

Although the D3 and D700 are essentially the same camera in a different form factor (the D700 being far closer to the D300 in design and control layout), there are a few important specification differences.

• Smaller, lighter body *
• Built-in iTTL flash (G.No 17 / ISO 200)
• No rear information panel (new info display on main LCD)
• D700 doesn't have the D3's 5:4 aspect ratio option
• 95% coverage, 0.72x viewfinder (D3: 100% / 0.7x)
• Focus screen DX mode now indicated with a rectangle rather than shaded area
• Lower burst rate (5.0 fps / 8.0 fps with optional MB-D10)
• 100 frames maximum in continuous shooting mode
• Smaller battery (EN-EL3e)
• Optional battery grip (MB-D10, same as D300)
• Expanded Function button options (can assign any camera menu item)
• Live View can be assigned to FUNC, AE-L or Preview buttons (allowing LV + different drive modes)
• Virtual Horizon can be overlaid on Live View preview image
• Different shutter (150,000 cycle rating - same as D300)
• Image Sensor cleaning ('sensor shake' dust reduction)
• Single CF slot (D3 has two)
• Minor menu and control differences (control layout is almost identical to D300)

* D700 is approx 34mm (1.3 in) shorter, 13mm (0.5 in) narrower and 10mm (0.4 in) shallower.
Weight (no battery) : D3 - 1240g, D700 - 995gfrom freezone24.blogspot.com