Disassembled body tube. C: objective; B: Field lens; A: Eyelens. All lenses are plano-convex.
Arrangement of lenses: A: Eyelens; B: Field lens, C: objective.
Disassembled Huygenian eyepiece. The flat side of both lenses faces out.
There are 11 objective lenses, all stored in depressions in this wooden block. 3.1x12.5cm
Objective
Diameter
f
1
6
28
2
6
15
3
5.5
13
4
5.0
8
5
4.5
13
6
4.5
10
7
4.5
9
8
4.5
8
9
3.5
4
10
2
3
11
1
2-3
A few objectives have 1, 2, or 3 "dot" marking.