-
３
-
2. Performance Parameter
2.1 Magnification
（〝
O
〞
is optional
）
Objective
Eyepiece
4
×
10
×
20
×
40
×
60
×
100
×
10×
40
×
100
×
200
×
400
×
600
×
1000
×
2.2 Objective
（
〝
O
〞
is optional
）
Infinity Plan
Achromatic Objective
Numerical
Aperture
N.A.
Objective Field
（
mm
）
Resolution
(
μ
m)
Working
Distance
（
mm
）
FOV
φ
18
4×
0.10
4.50
3.35
12.1
10×
0.25
1.80
1.34
4.64
20×(s)
0.40
0.90
0.84
2.14
40×(s)
0.66
0.45
0.51
0.65
60×(s)
0.80
0.30
0.42
0.33
100×(s) (o)
1.25
0.18
0.27
0.12
2.3
Eyepiece
Item
Magnification
FOV
（
mm
）
Reticule cross
10
×
20
Normal eyepiece
10
×
20
2.4
Other Parameters:
(1) Mechanical Tube Length: 160 mm
(2) Viewing Head : Inclined 30° , Seidentopf Binocular(Trinocular) head,
Interpupillary
Distance
48
mm
～
75 mm ; Dioper Adjusting ±5 ,With antifungus device.
(3) Midbody : Analyser 360°, Division 2°30
′
,With locking device. Bertrand lens with
center Adjustable, Combining slip with Gypsum
（Λ）
and Mica
（Λ
/4
）
（
Quartz Wedge
Is Optional
）
.
(4) Nosepiece: Quadplex , Center Adjustable.
(5) Mechanical stage
：
Revolving Stage, Diameter
Φ
142
mm ,360° Uniform
Scale
,Vernier Division 6
′
.
(6) Focusing systems
：
Coaxial Coarse And Fine Focusing Knobs, Coarse stroke 22mm,
up position is optional
；
Fine division 2µm, Condenser up-down range 22 mm.
(7) Condenser
：
Abbe Condenser N.A.1.25 , Adjustable Aperture , Aperture Center Can
Be Adjustable , With Polarizer.
(8) Electric components: Input voltage AC100-240V
，
50/60Hz.
Halogen lamp 6V/30W or 5W LED Lamp.
Fuse
5
A
Φ
5
×
20
or 2A
Φ
5
×
20
(9) Filter
：
Blue
（
Amber
、
Green
、
Neutral Is Optional
）
.
