The Eckla Eagle Car Door Lens Support has been developed specially for long lens photography out of cars and vehicles, ideal for wildlife photographers. The Eckla Eagle Car Door Lens Support is fastened to your vehicle door or on your vehicle window. This continuously adjustable mount can be adapted nearly to any vehicle door or window. High quality aluminum/stainless steel construction is ultralight and rust proof. With a standard 3/8-16 tripod mount screw, you can easily attach ball heads and gimbal heads for a tripod on the go. An integrated bubble level keeps your horizons level. Good for any ball head or gimbal head, and lenses up to and including 800mm. Lens platform: 7.9 x 7.9" (20 x 20 cm) Folded dimensions: 9.4 x 11 x 4.7" (24 x 28 x 12 cm) Weight: 3.7 lbs (1.7 kg) Made in Germany.