Digital image of diatoms, each approximately 100µm in diameter. Resolution is poor using the only objective remaining. Also, the stability of the microscope is very poor. The short base and tall pillar contribute to this instability. Focusing causes severe vibration, which reduces the resolution of imaging.
With objective "5" the total magnification is approximately 250x.
Digital image of a stage micrometer. The distance between numbers is 100µm. Resolution is approximately 3-5µm.
Note the pincushion and chromatic optical aberration.
Lommers compound microscope. Imaging using the #5 objective