The Leofoto BV-5B Mini Fluid Head for Optics is the perfect head to use with a spotting scope. The mini fluid head has a tilt function and dial lock as well as a panning base and lock. There are rosette handle mounts on either side of the head to mount the handle on either side. The handle is shorter by request to be more compact. Constructed from 6061-T6, hard anodized aluminum you can rest assured it&';s built to last. Arca Swiss Style Base Diameter: 50mm/ 1.97"Height: 88mm/ 3.46"Weight: 528g/ 1.17lbMax. load: 4kg/ 8.82lbTilt range: +90Adeg / -75Adeg360 Adeg Panning BaseBottom Mounting Thread: 3/8"-16 (Threaded Hole)Top Mounting Thread: 1/4"-206061-T6 Aluminium material