
This is from a Flatters & Garnett slide, 1950s and is a selected area in a strew of fossil diatoms from Cormack's Top, Oamaru, NZ.
Microscope: Zeiss Standard
Ocular: Zeiss KPL-W 10x/18
Objective: Leitz 40/0.7 ICT NPL Fluotar
Substage: Leitz ICT NA 0.9
Stack: 60 images Zerene Stacker