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Items | Specification | B302-1 | B302E500 |
Main Body | ● | ● | |
Eyepiece | WF10X/20mm (High eyepoint) | ●● | ●● |
Infinity Objective | EPLAN 4X/0.10 | ● | ○ |
EPLAN 10X/0.25 | ● | ○ | |
EPLAN 40X/0.65(S) | ● | ○ | |
EPLAN 100X/1.25(S,Oil) | ● | ○ | |
PLAN 4X/0.10 | ○ | ● | |
PLAN 10X/0.25 | ○ | ● | |
PLAN 20X/0.40(S) | ○ | ○ | |
PLAN 40X/0.66(S) | ○ | ● | |
PLAN 60X/0.80(S) | ○ | ○ | |
PLAN 100X/1.25(S,Oil) | ○ | ● | |
PLAN 100X/1.15(S,Water) | ○ | ○ | |
Observing Head | Seidentopf Binocular Head, Inclined 30°,Rotatable 360°, Interpupilary Distance: 48-75mm | ● | ● |
Seidentopf Trinocular Head, Inclined 30°,Rotatable 360°, Interpupilary Distance: 48-75mm Light Distribution: 20:80 | ○ | ○ | |
5 MP Pixel Digital Head 1/2’’CMOS color sequential scanning. USB2.0 Light Distribution: 20:80 | ○ | ○ | |
Nosepiece | Quadplex | ● | ● |
Mechanical Stage | Size 145mmX140mm, Travel Range:76mmX52mm, Scale: 0.1mm, Two Slide Holder | ● | ● |
Rackless(Integrated) stage, Size: 140×135mm,Travel Range: 75×35mm, Two-slide holder | ○ | ○ | |
Abbe Condenser | N.A.1.25,With iris Diaphragm | ● | ● |
Coaxial Coarse and Fine Focusing Knobs | Coarse Focusing Travel Range: 25mm Fine Focusing Travel Range: 2µm/division | ● | ● |
Aspheric Illumination | 3W LED Illumination,Voltage: 100V-240V | ● | ● |
Dark Field Unit | Dark Field Ring (Dry, N.A.0.9) | ○ | ○ |
Polarizing Unit | Analyzer, Polarizer | ○ | ○ |
C-mount | 1×/0.75×/0.5×C-mount(Adjustable) | ○ | |
Wire Winding Device | ● | ● |

Items | Specification | B203 | B204 | B203 | ||||
LED | LED | LED | ||||||
TR | ||||||||
Eyepiece | WF 10×-18 mm | YY | YY | YY | ||||
WF 10×-18 mm(With Pointer) | o | o | o | |||||
WF 16×-13 mm | o | o | o | |||||
WF 10×-18 mm(Reticule 0.1 mm) | o | o | o | |||||
Achromatic | 4× | Y | Y | |||||
Objective | ||||||||
10× | Y | Y | ||||||
40×(S) | Y | Y | ||||||
100×/1.25 (Oil) (S) | Y | Y | ||||||
20× | o | o | ||||||
60× (S) | o | o | ||||||
Plan Objective | 4× | Y | ||||||
10× | Y | |||||||
40×/0.65 (S) | Y | |||||||
100×/1.25 (Oil) (S) | Y | |||||||
20× | o | |||||||
60×(S) | o | |||||||
Monocular Head | Inclined 30°, Rotatable 360° | |||||||
Seidentopf Binocular Head | Inclined 30°,Rotatable 360°, | Y | Y | |||||
Interpupilary Distance 50-75mm | ||||||||
Seidentopf | Inclined 30°,Rotatable 360°, | Y | ||||||
Trinocular Head | Interpupilary Distance 50-75mm, | |||||||
Light Distribution: 20:80 | ||||||||
Nosepiece | Quadplex | Y | Y | Y | ||||
Focusing Knobs | Coaxial Coarse and Fine Focusing Knobs | Y | Y | Y | ||||
Mechanical Stage | Stage Size:120mm×115mm, | Y | Y | Y | ||||
Travel:50mm×70mm | ||||||||
Condenser | Abbe N.A. 1.25(Iris Diaphragm) | Y | Y | Y | ||||
Dark Field Ring | Available For 4×-40× Objective | o | o | o | ||||
Polarizing Attachment | Analyzer / Polarizer | o | o | o | ||||
Mirror | Plano-concave mirror | o | o | o | ||||
C-mount | 1×/ 0.5×(Focus Adjustable) | o | ||||||
Base | LED Illumination Systems(non-rechargeable) | Y | Y | Y | ||||
LED Illumination Systems | o | o | o | |||||
(rechargeable) | ||||||||
6V 20W Halogen Lamp, | o | o | o | |||||
Wide Voltage: 100V-240V | ||||||||


















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