Question : what is the mean of color code band of objective lens of microscope?
I do not know anything about colored band of objective lens of microscope so please help me about the mean or definition of these colored band on microscope objective lenses.
Sincerely.
microscope lens

Best answer:

Answer by cozmosis
The color band is a quick refernce to the objective magnification. When you want to switch to a specific objective mag., instead of looking for the writing on the objective you can tell what the magnification is by the color band.

1/2x No Color Assigned
1x Black
1.25x Black
1.5x Black
2x Brown
2.5x Brown
4x Red
5x Red
10x Yellow
16x Green
20x Green
25x Turquoise
32x Turquoise
40x Light Blue
50x Light Blue
60x Cobalt Blue
63x Cobalt Blue
100x White
150x White
250x White