7
Specifications
Product ID
73988
73989
73990
73991
Model
MED 20B
MED 20T
MED D20T
MED D20T LCD
Type
biological/optical
biological/optical, digital
Research method
bright field
bright field
Magnification
40—1000x
40—1000x
Interpupillary distance
55—75mm
55—75mm
Eyepiece head
binocular,
360° rotatable,
inclined at 30°
trinocular,
360° rotatable,
inclined at 30°
trinocular, 360° rotatable,
inclined at 30°
Optics material
optical glass with an anti-fungal coating
optical glass with an anti-fungal coating
Eyepiece tube diameter
23.2mm
23.2mm
Third vertical eyepiece tube
—
23.2mm
23.2mm
Eyepieces
WF10x/18mm (2pcs)
WF10x/18mm (2pcs)
Eyepiece diopter adjustment
±5D
±5D
Objectives
SemiPlan: 4x, 10x, 40xs, 100xs (oil)
SemiPlan: 4x, 10x, 40xs, 100xs (oil)
Revolving nosepiece
4 objectives
4 objectives
Stage moving range
75/50mm
75/50mm
Stage
double layer mechanical, 140x140mm,
with a mechanical scale
double layer mechanical, 140x140mm,
with a mechanical scale
Focus system
coaxial,
coarse (0.5mm) and fine (0.002mm),
with rack and pinion mechanism
coaxial,
coarse (0.5mm) and fine (0.002mm),
with rack and pinion mechanism
Condenser
Abbe N.A. 1.25 iris diaphragm and
filter holder
Abbe N.A. 1.25 iris diaphragm and
filter holder
Body
metal
metal
Illumination
lower (halogen, 6V/20W)
with brightness adjustment
lower (halogen, 6V/20W)
with brightness adjustment
Collector
Köhler illumination
Köhler illumination
Filters
blue, green, yellow
blue, green, yellow
Vial of immersion oil
+
+
Fuse
2pcs
2pcs
Power supply
100—240V, via AC adapter
100—240V, via AC adapter
Digital camera
—
5.1Mpx
5Mpx with
LCD screen
Camera connector
—
+
+
Camera power supply
—
DC 5V,
via USB 2.0 cable
DC 12V/2A,
via AC adapter
Optional accessories (sold separately)
finity plan objectives: 4x, 10x, 20xs,
40xs, 60xs, 100xs (oil)
finity plan objectives: 4x, 10x, 20xs,
40xs, 60xs, 100xs (oil)
eyepieces (D 23.2mm): 5х, 12.5х, 16x, 20x eyepieces (D 23.2mm): 5х, 12.5х, 16x, 20x
dark field condenser
dark field condenser
—
digital camera
—
Levenhuk reserves the right to modify or discontinue any product without prior notice.