Objective
10× · NA 0.25
40× · NA 0.65
60× · NA 0.85
100× oil · NA 1.40
Eyepiece
10×
Wavelength
550 nm
Structure spacing
0.50 µm
structure resolved
dry objective
Abbe limit
0.42 µm
d = λ / 2NA
Total magnification
400×
useful magnification
Collection angle
81.1°
NA 0.65
Left: ray path · right: image
Two-point diffraction model