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UIS2 OBJECTIVE LENSES
8
Plan Apochromat
MPLAPON series
Plan Apochromat objective lenses that correct chromatic aberrations at the highest level.
Olympus guarantees*
1
optical performance (wavefront aberration) with a Strehl ratio*
2
of 95% or better.
They are also designed for use with Olympus' U-AFA2M active AF unit.
Unit: mm
MPLAPON100xMPLAPON50x
MPLAPON 50x 0.95 0.35 3.6 139 500 0.44 1.0 500 0.53 1.0
MPLAPON 100x 0.95 0.35 1.8 125 1000 0.22 0.67 1000 0.27 0.7
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")
ø20.32
ø28.5
ø20.3
ø18.9
ø8.8
4.545
(44.65)
41.62
41
37.98
WD=0.35
ø5.5
ø16
ø20.2
ø28
4.5
ø20.32
45
(44.65)
42.78
42.4
38.43
WD=0.35
*
1
Definition of guaranteed values: Measurements
assessed with Olympus’ Interferometer for
Transmitted Wavefront Measurement under specified
conditions (measurement: temp. 23°C±1°C;
assessment: measurement within the 97% range of
the pupil dia.).
*
2
Strehl ratio: Indicates in percent (%) the ratio of the
proportion of light that an actual optical system can
concentrate with respect to the proportion of light
concentrated in the image plane (central intensity) by
an ideal, aberration-free optical system, with the latter
serving as 100%. A higher percentage indicates a
higher quality optical system.