L-plate for Nikon D300 and D700 with MB-D10 battery grip:
This custom L-plate fits the Nikon D300 and D700 with MB-D10 battery grip. This L-plate gives full access to side ports. However, there is not sufficient clearance to mount camera in portrait mode (vertical) tethered to a computer with a HDMI cable.

This plate does not fit the Digital Concepts MB-D10 Vertical Multi-Power Battery Grip.

L-Plate User Manual

Specs:

1. Height = 5.0 in / 127 mm
2. Weight = 3.1 oz / 88 g
3. Price = 183

L-Plate Advantage:

 

How to Use an L-Plate