Crouch microscope objectives

Objectives: A: 2 inch; B: 1 inch; C: 1/4 inch; D: 1/12 inch. The high magnification objective (1/12") has a correction collar.

All objectives come with an engraved brass case. This 1/12 objective is engraved:

H. Crouch
London

This high-magnification objective has a correction collar