The Schulz Tilt Plate LT - Dovetail is measuring 105 x 200 mm and weighing only 1 kg, it is suitable for cameras of up to 20 kg. It has an infinitely variable inclination from 0 to 90 degrees.
It is also available with a counterweight-arm.

Weight: 1 kg
Size: 105x200mm
Max payload: 20kg