The Arca Swiss compatible Vanguard VEO 2 PH-28WM Window Mount is designed for bird watchers and videographers to use from the comfort of their car. The 2-way pan-head is ideal for using a spotting scope to observe your surroundings, but can also be used to video with your mirrorless/DSLR camera.Clamp:- Large surface area with textured rubber face for solid grip- Opens to 1.25 inches/31mm- Ergonomic locking/release knob for easy use, even in cold weatherVEO 2 PH-28 2-way Pan-Head:- 2-way pan-head which can be controlled with one hand, leaving the other hand free - Long Arca Swiss compatible (QS-61) quick release plate for use with spotting scopes/camcorders - Spotting scopes with Arca Swiss compatible bases (such as the Endeavor HD) can be used without the need for a quick shoe for maximum stability- Maximum load capacity of 8.8lbs/4kgCombined Kit:- A lightweight 1.5lbs/711g- Small enough to fit into most glove compartments so it is always there- Can be used with binoculars, but a BA-185 Tripod Adaptor is neededSpecificationsTripod Style: Window MountMaterial: AluminiumWeight: 711gMaximum Load Capacity: 4kgHead Attachment Thread: 1/4 inch or 3/8 inchHead: VEO 2 PH-28Head Style: 2-way Pan-HeadArca Swiss Compatible: YesQuick Release Plate: QS-61Separate Pan-Lock: NoPanorama Swivel: 360 degSeparate Friction Control: NoSpirit Bubble Level: 1Frontal Tilt: -60/