The invention relates to a rotary evaporator (1), including an equipment stand (2) with a protruding guide tower (3) which has a holder on which an evaporation vessel (5) is pivotably retained about a horizontal pivot axis (42). In one embodiment of the invention, the holder includes a holding part connected to the guide tower, wherein a carrying part (43) that can be connected to the evaporation vessel (5) is pivotably retained about a horizontal pivot axis on the holding part, and a spindle drive (44), which includes an adjustment spindle (45) with a self-locking spindle thread (46), is provided to adjust and secure the selected pivot position.