• Low Center of Gravity Ball Head Design: The center of gravity is about 15% lower than the standard ball head, and the diameter of the ball is 1.6 inches (40 mm), providing a good stability and high fixation. The quick shoe plate has a security lock mechanism to prevent the shooting equipment from accidentally falling off when adjusting the quick shoe. (Head Weight: 0.43 kg, Size: 6 x 10 x 5 cm, Max Load: 20 kg, With Arca-Swiss compatible quick shoe for high versatility and ease of use. ) • (Double Panoramic Design) Two 360 degree rotating dial mechanisms allow for panoramic photography. (Indoors, buildings, spaces, and starry skies are perfect) 360° panning movement with calibrated accuracy, easy to capture overlapping images in horizontal panoramas. The large diameter free ball allows you to adjust the angle to suit different angles. 1. If you have any problems with the quality of the product or how to use, please feel free to contact us. Serving our customers is my glory and good luck • (Excellent Precision Cutting Ball Head) All metal parts are machined from a 4-axis CNC lathe, with a precision of 0.001 inch (0.03 mm) of aircraft aluminum alloy. The surface of the head is treated with oxidation technology for an extremely smooth hand feel, long lasting durability, weather resistance and beauty as a tool • 📷【Full view shooting for different angles】:The head head has a 360 degree panoramic base and single lock so you can set the camera at any angle you want, without the worry of your equipment falling off suddenly. Laser engraved indexes from 0° to 360° on the panning base. Bubble level for horizontal and vertical measurement at the same time, easy to check the horizontal tilt status. There is a horizontal rotating knob at the bottom of the head and angle rotation scale, so you can adjust the angle when shooting and it is useful for subtle panoramic configurations • (Camera mounting screws are 1/4", tripod mounting screws are 3/8"): Compatible with smartphones, mirrorless cameras, telephoto zoom lenses, digital SLR cameras, DVs, tripod heads (Canon), Nikon, Olympus, Pentax, Panasonic (Panosonic), Fujifilm (FUJIFILM), Kodak, etc. a Swiss, RRS Clamps and plates compatible with Arca-Swiss Standard including Kirk, Wimberley, Markins, Sunwayfoto, Kangrinpoche, Benro, Sirui, etc