The CELLview glass bottom dish combines a standard 35 mm disposable plastic cell culture dish with high transparent achromatic borosilicate glass; hydrolytic class 1 (DIN-ISO 719) providing high-resolution microscopic images of in-vitro cultures. The embedded glass bottom guarantees a single-plane bottom with maximal spectral transmission and thermal conductivity in heated platforms avoiding thermal variations. It is also available as a subdivided version with four individual compartments facilitating simultaneous analysis.