Lenses of the Cuff microscope: A: Eye lens dia=15mm, f=24mm; B: Field lens, dia=28mm, f=60mm C: Objective lens.
Lieberkuhn positions are engraved on the objective snout.
The six objectives of the Cuff microscope. They are numbered 1–6. No. 5 is missing; No. 4 has no lens. All have a single biconvex lens.
Objective construction. All but the highest magnification objective uses a threaded collar to hold the biconvex lens in place.
Illuminating mirror. Diameter = 4.1cm
|
Dia
|
f
|
aperture
|
|
|
1
|
4mm
|
3
|
1.5
|
|
2
|
6
|
5
|
2.5
|
|
3
|
7
|
10
|
2.5
|
|
4
|
/
|
/
|
/
|
|
6
|
12
|
35
|
5
|