Olympus Microscope - Manual (Page 12)

UIS2 OBJECTIVE LENSES
11
LCD Long WD M Plan SemiApochromat
LCPLFLN-LCD series
Perfect objective lens series for observation of LCD panels and other samples through a glass substrate.
Aberration correction matched to the glass thickness is accomplished using a correction ring.
Objective lens LCPLFLN20xLCD LCPLFLN50xLCD LCPLFLN100xLCD
Corresponding glass thickness (mm) 0-1.2 0-1.2 0-0.7
Correction ring indication 0 0.7 1.2 0 0.7 1.2 0 0.5 0.7
Working distance (mm) 8.3 7.8 7.4 3.0 2.5 2.2 1.2 0.98 0.9
Correction system Correction ring Correction ring Correction ring
LCPLFLN 20xLCD*** 0.45 7.8 9 146 200 1.1 5.2 200 1.3 5.2
LCPLFLN 50xLCD*** 0.70 2.5 3.6 170 500 0.44 1.6 500 0.53 1.6
LCPLFLN 100xLCD*** 0.85 0.9 1.8 185 1000 0.22 0.79 1000 0.27 0.79
Numerical
Aperture
Working distance**
(mm)
Focal distance
f (mm)
Weight
(g)
Total
magnifications
Practical field
of view (mm)
Depth of
focus (µm)
Total
magnifications
Practical field
of view (mm)
Depth of
focus (µm)
UIS2 objective lenses
Widefield eyepiece WHN10x
Field Number 22
Super widefield eyepiece SWH10x
Field Number 26.5
Objective lens
(magnification)
Screw: W20.32x0.706 (0.8"x1/36") **The figure shown here is the value when the correction ring indication is 0.7. *** To be available in the beginning of 2007
Unit: mm
WD=0.9
(43.638) 45.238 *
43.4 41.6
27.5
20
ш25
ш20.32
ш15.2
ш29.5
4.5
(36.738)
45.238 *
WD=7.8
t=0.7 t=0.7 t=0.7
WD=2.5
4.5
ш20.32
ш15
ш25
ш29.5
ш31
36.55 34.75
24.5
20
45.238 *
4.8
(42.038)
ш20.32
ш12.77
ш17.84
ш25
ш29.5 ш31
ш31
40.45 38.65
25
20
LCPLFLN20xLCD*** LCPLFLN50xLCD*** LCPLFLN100xLCD***
* Value at glass thickness 0.7mm observation