Three Objectives in Cans and One Lieberkuhn, by Ross, Zeiss, Beck

Set of three objectives in cans and a Lieberkühn in a can. The following objectives are present:

1/5 Inch objective, manufactured by Ross. The objective is mounted in a copper alloy body with an engraved correction collar. The objective is stored in a copper alloy can, the lid of which is engraved with the objective's power and manufacturer.

'DD' Objective, manufactured by C. Zeiss. The objective is mounted in a long, smooth copper alloy body with conical shaped nose. The objective is stored in a copper alloy can, the lid of which is engraved with the objective's power and manufacturer.

2/3 Inch objective, manufactured by R & J Beck. The objective is mounted in a long, smooth copper alloy body with conical shaped nose. The objective is stored in a copper alloy can, the lid of which is engraved with the objective's power and manufacturer.

Also present is a 1 inch Lieberkühn constructed of copper alloy and stored in a copper alloy can with a threaded lid.