1. Function and application
Category |
magnification |
view diameter(mm) |
Flat-field eyepiece |
10X
|
Φ18
|
12.5X
|
Φ15
|
|
Graduated Eyepiece |
10X
|
Φ17
|
Category |
magnification |
numerical aperture (NA) |
system |
working distance (mm) |
Achromatic objective lens |
10X |
0.25 |
Dry |
7.31 |
Semi-flat-field achromatic objective lens |
40X |
0.65 |
Dry |
0.66 |
Achromatic lens |
100X |
1.25 |
Oil |
0.37 |