| Designation | Approximate magnification | |
| A | C ZEISS "A" |
80x
|
| B | BETZ 1/6 |
60x
|
| C | BETZ 2/3 |
15x
|
Microscope 216 Objectives
Objectives B & C are made by BETZ.
Objective A is made by Carl Zeiss Inc. It shows superior color correction.