Wimberley Professional Photo Gear - Quick Release Clamps

C-30 Quick Release Clamp

C-30 Quick-Release Clamp ($100.00) - Length: 4.2" What's Included

The C-30 clamp was made specifically for the old-style Wimberley Head (WH-100 & WH-101).

The added length of the C-30 (1.6" longer than the C-12) provides little added functionality for most applications. We recommend using the lighter and less expensive C-12 clamp.

We are still manufacturing the C-30 for use with an old-style Wimberley Head or in special applications that require a longer clamp.

Download Product Instructions -

Tongue-in-pocket Design
Our clamps have a unique tongue-in-pocket design that protects internal parts from dust and grit. The tongues are nearly twice as long as those on conventional Arca-Swiss style clamps. This added length counteracts the tendency of the moving jaw of the clamp to hinge backward during clamping, thus keeping the jaws aligned with the geometry of the plate. This eliminates unwanted bending stress on the threaded stud.

Captive Knob
A captive knob is designed in such a way that the user cannot accidentally remove the knob during use. There is a stop screw located on the end of the stud to keep the knob from unscrewing from the threaded stud.

Safety Channels
Two shallow channels extend from the sides of the clamp and stop just short of the central tapped hole. These channels allow greater fore-aft adjustment when using the safety stops on Wimberley quick-release plates.

Collage of Wimberley Quick Release Clamp safety channels feature in action

Wimberley Quick Release Clamp tongue-in-pocket design, captive knob and safety channels

Wimberley Quick Release Clamp captive knob

Wimberley Quick Release Clamp safety channels

The "Arca-Swiss Style" Quick-Release Geometry The "Arca-Swiss Style" Quick-Release Geometry refers to the open-cavity dovetail quick-release system developed decades ago by Arca-Swiss for use with their Monoball ball heads and large format cameras. After the extreme popularity of the Arca-Swiss B-1 ball head in the 1990s, other companies began manufacturing custom camera-body and lens plates using this geometry. Since then, this geometry has become the industry standard for high-end tripod heads (particularly in the nature photography industry). The figure below shows the basic dimensions of the dovetail used in this system:

The Wimberley Head Version II, Sidekick, and other clamps use this quick-release system, so any lens that you wish to connect to our heads must be equipped with an Arca-Swiss style lens plate or replacement foot. Manufacturers that use the Arca-Swiss Style Quick-Release Geometry include:
Acratech Arca-Swiss Foba Giottos (only on their most recent line of ball heads & plates) Hejnar Jobu Kirk	Markins Novoflex (only on some of their products) Promediagear Really Right Stuff Studioball Wimberley