25
Significance of Objective Name
(Examples)
M
PL
FL
N
100
BD
(Plan)
None : Brightfield
BD
: Brightfield/darkfield
BDP : Brightfield/darkfield
or polarized
IR
: IR light
Figure : Magnification
None : UIS
N
: UIS 2
None : Achromat, or aberration correction with 2 wavelengths (red and bleu).
FL
: Semi-Apochromat, or color aberration correction with visual wave-
lengths (bluish purple to red).
APO : Apochromat, or color aberration correction with all visual-domain
wavelength (purple to red).
PL : Plan, or correction of image curving on peripheral area.
M
: Metal observation (no cover)
LM : Long-WD metal observation
SLM : Superlong-WD metal observation
LC
: Observation over glass plate
