29
STEINDORFF
®
6.1.
Main specifications
Optical System
Infinite Optical System
Viewing Tube
Compensation Free Binocular Tube Inclined at 30°
Eyepiece
Wide Field Eyepiece 10X, Linear Visual Field: 22 mm
Nosepiece
Backward Quintuple Nosepiece
Objective
Infinite Long Working Distance Plan Achromatic: 4X, 40X
Infinite Long Working Distance Plan Phase Contrast: 10X, 20X
Focusing System
Coaxial Coarse and Fine Focusing System
Sensitivity and Graduation of Fine Focus: 0.002mm
Movement Range(from the surface focus of stage plate): up 8mm, down 3mm
Stage
Area: 160 mm (width) × 250 mm (Length)
Mechanical Ruler
Movement Range: 120 mm (width) × 78 mm (Length)
Illumination
Halogen Lamp 6V 30W, Preset Center, Intensity continued Adjustable
Condenser
Long working Distance Condenser, Numerical Aperture 0.3, Working Distance 72mm
Operation Environment
Use indoor
Altitude: Maximum 2000 m
Temperature: 5
℃
~40
℃
（
41°F~109°F
）
Maximum Relative Humidity: 80% at 31
℃
（
88°F
）
, then Fall Linear.
70% at 34
℃
（
93°F
）
, 60% at 37
℃
（
104°F
）
, 50% at 40
℃
（
104°F
）
.
Pollution Degree:2 (refer to IEC60664)
6.2.
Objective Specifications
TYPE
Magnification
NUMERICAL
APERTURE
（
N.A
）
WORKING
DISTANCE
（
mm
）
CONJUGATE
DISTANCE
（
mm
）
FOCUS
DISTANCE
（
mm
）
COVER SLIP
THICKNESS
Infinite Long
Working Distance
Plan Achromatic
Objective
4X
0.1
25.2
∞
45
─
40X
0.6
3.2
∞
45
1.2mm
Infinite Long
Working Distance
Plan Phase Contrast
Objective
10X
0.25
11
∞
45
0.17
20X
0.4
6
∞
45
0.17
6.
TECHNICAL SPECIFICATIONS
