Delta 1 Pneumatic Contour Posing Stool Canon PFI-306 There is no electronic control

There is no electronic control of the lens through the adapter

and other oversized binders

the lower temperature reduces wear on moving parts as well as damage to mounted wireless components

1/4"-20 Screw with Pin Assembly

Delta 1 Pneumatic Contour Posing Stool Canon PFI-306 There is no electronic controlErgonomic Polyurethane Seat Max Seat Height: 31" Min Seat Height: 21" Load Capacity: 250 lb Weight: 17 lb The Pneumatic Contour Posing Stool from Delta 1 is an indispensable studio accessory for any portrait, headshot, or group photographer. The stool features a pneumatic mechanism which allows the user to raise or lower the seat height with a simple switch. An added tilt control knob allows the seat to tilt up to 15 degrees. The comfortable,