| Type | Hydraulic foot-operated surgeon's chair | Motorized surgeon's chair |
| Height adjustment | 580 mm min to 810 mm max | 520 mm min to 730 mm max |
| Operation | Hydraulic foot pump | Electrical foot switch |
| Construction | Complete stainless-steel parts with upholstered seat | Complete stainless-steel parts with upholstered seat |
| Armrests | Height-adjustable and detachable; improvised versions made to order | Height-adjustable and detachable; standard and curved armrest options; improvised versions made to order |
| Backrest | Adjustable with vertical and horizontal movements | Adjustable with vertical and horizontal movements |
| Mobility | Full swivelling castors; castors with brake optional | Full swivelling castors; castors with brake optional |
| Intended use | Comfortable for use with a microscope while sitting | Comfortable for use with a microscope while sitting |