I-Scope DN117D-LED, User Manual

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DN117D-LED
I-SCOPE OPTICS JAPAN 14
4. Specification Table
4.1 Main specifications
Mechanical Tube
Length
160mm
Viewing Head Compensation free binocular head, , Inclined at 30°,Interpupilary Distance 48-75
mm
Eyepiece Field of view:
φ
18mm
Nosepiece Backward Quadruple Nosepiece
Objective Achromatic objectives 4
×，
10
×，
40
×、
100
×
Focusing Coaxial coarse and fine focusing knob; the minimum division of fine
focusing:0.004mm; focusing adjustment range: 24mm
Condenser Abbe Condenser
，
NA=1.2 with iris diaphragm
Stage
Double Layers Mechanical Stage 132mm
×
142mm
，
Moving Range 74
×
40mm
Illumination Halogen Lamp 6V20W or LED 3W
4.2 Eyepieces and Objectives
1. Objectives
Magnification
Numerical
Aperture
（
NA
）
Thickness of
glass slide
(mm)
Focal length
（
mm
）
Working
Distance
（
mm
）
Type
4× 0.10 0.17 31.05 18 Dry
10× 0.25 0.17 17.13 6.5 Dry
40× 0.65 0.17 4.65 0.53 Dry
100× 1.25 0.17 2.906 0.13 Oil
2. Eyepieces
Category Magnification
Focal length
f
（
mm
）
Field of view
（
mm
）
Plan eyepiece 10× 24.95
Φ18