Fig. 1. Continuous optical zoom microscope with extended depth of field and 3D reconstruction^[35]. (a) Prototype of the microscope; (b) zoom objective lens; (c) captured images of the sample ascaris ovaries at 10×, 20×, 40×, and 60× magnifications respectively

Fig. 2. Adaptive multiscale microscopy (AMS)^[38]. (a) AMS prototype; (b) pathological samples scanned using AMS and captured at 9×, 13×, and 18× magnifications respectively

Fig. 3. EDOF microscopy based on partially coherent annular illumination^[50]. (a) Optical configuration of the microscope; (b) (c) (d) EDOF experiments of a tilted USAF-1951 resolution target, showing the test results under traditional circular illumination S=1, partially coherent annular illumination ΔS=0.2 and ΔS=0.05 respectively

Fig. 4. 2P-FCM^[52]. (a) 2P-FCM microscopic system structure; (b) imaging of oligodendrocytes in mouse cortical tissue through green fluorescent protein labeling; (c) single imaging plane after interpolation

Fig. 5. MiniLFOV^[56]. (a) MiniLFOV structure; (b) MiniLFOV mounted on mouse skull via reinforced baseplate; (c) superficial and deep images captured by MiniLFOV