|
dia
|
f
|
aperture
|
|
|
1/2
|
2
|
1
|
<1
|
|
1
|
4
|
2
|
1
|
|
2
|
5
|
5
|
1.5
|
|
4
|
5.5
|
8
|
2
|
|
8
|
5
|
18
|
3
|
|
12
|
7
|
30
|
4
|
Raspail compound microscope optics. A: Objective lens; B: mounting ring for the (missing) field lens; C: two lenses of the Huygenian eyepiece.
Magnifying lenses used for the simple microscope attachment.
Example of the markings for the simple magnifying lenses. This is the 1/2 or "two dot" lens.
The two objective lenses for the compound microscope body. A: High-magnification lens, dia=2mm, f=3mm; B: low-magnification lens, dia=4mm, f=4mm.
Optical characteristics of the single magnifier lenses.