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Description
Deployed on remote agricultural disease surveys and field ecology stations, the Kern OBE 103 Rechargeable Microscope delivers cordless brightfield screening. Powered by an internal rechargeable NiMH battery pack, it frees technicians from wall outlet restrictions during crop diagnostics and environmental checks. Running on a finite 160 mm optical track, it provides 40x, 100x, and 400x dry magnification via three achromatic objectives: 4x/0.10, 10x/0.25, and spring-loaded 40x/0.65, keeping inspections completely oil-free.
Transmitted light is supplied by a cordless 3W LED module focused through an Abbe 1.25 NA condenser equipped with an iris diaphragm and filter slot. The 30-degree inclined binocular head rotates 360 degrees, fitted with paired widefield WF 10x/18 mm eyepieces with left-tube diopter adjustment across a 50 mm to 75 mm interpupillary span. The 125 x 115 mm mechanical stage provides 50 x 30 mm of drop-down coaxial XY translation, while coaxial coarse and fine focus knobs feature 2-micron graduations across a 4.6 kg frame running on battery power or multi-voltage 100-240V AC charging lines.
Key Features of Kern OBE 103 Rechargeable Microscope
A portable cordless biological binocular compound microscope featuring an all-dry objective configuration and internal rechargeable battery power. Combines 40x to 400x magnification with an Abbe 1.25 NA condenser, 3W LED lighting, and a double-layer mechanical stage.
- Cordless operation via internal rechargeable NiMH battery pack with universal AC charger
- Dry achromatic finite 160 mm objectives: 4x, 10x, and spring-loaded 40x (no oil required)
- Rechargeable 3W LED transmitted illumination module with continuous rotary dimmer
- Height-adjustable Abbe 1.25 NA condenser equipped with an adjustable iris diaphragm
- Double-layer 125 x 115 mm mechanical stage with 50 x 30 mm coaxial XY travel controls
- Coaxial coarse and fine focus drive with calibrated 2-micrometer fine division markings
- Binocular viewing head inclined at 30 degrees with 50 mm to 75 mm eye spacing
- Solid 4.6 kg cast-metal chassis provides complete vibration-free benchtop stability
All-Dry Achromatic Optics & Oil-Free Workflow
Eliminating immersion oil maintenance makes field inspections faster and cleaner when evaluating crop parasites, plant tissues, and seed samples. The 40x dry objective provides clear cellular magnification without sticky residues or lens wipe-downs. Achromatic multi-coated lenses preserve center-field clarity and natural color contrast across unstained botanical preparations, while the spring-loaded 40x front lens cushions accidental contact with coverslips.
Cordless Field Mobility & Coaxial Stage Mechanics
Tangled power cables create clutter on crowded classroom and field benches. The internal rechargeable battery pack keeps the microscope running all day on a single charge, allowing seamless transport between laboratory prep benches and remote field stations. The coaxial mechanical stage controls sit low to the table surface, giving technicians smooth two-axis slide tracking across a 50 x 30 mm area with resting forearms.
- Internal rechargeable batteries allow cordless microscopy anywhere in the field or lab
- All-dry objective configuration eliminates oil contamination and lens cleanup routines
- Coaxial focus mechanics with 2-micron graduations provide delicate focal plane control
Kern & Sohn Three-Year Laboratory Warranty
Kern & Sohn backs the OBE 103 with a comprehensive three-year factory warranty covering optical elements, stand castings, and mechanical stage drives, backed by two years on battery and LED circuitry. The complete package contains the OBE 103 wireless frame stand, rechargeable battery block, three achromatic objectives, pair of WF 10x/18 mm eyepieces, power charging link cable, dust cover, and manual.
Kern & Sohn OBE 103 Rechargeable Binocular Microscope Achromatic 4x/10x/40x WF10x18 3W LED Specs
| Brand | Kern & Sohn |
| Full Model Code / SKU | OBE 103 (Mobile Battery Configuration) |
| Country of Origin | Germany |
| Microscope Type | Portable Cordless Laboratory Binocular Compound Microscope System |
| Optical System Type | Finite 160mm Corrected Optical Pathway Lens Design System |
| Observation Tube Type | Binocular Head Unit with ergonomic structural layout finish |
| Tube Inclination & Rotation | 30° inclined viewing track, 360° rotatable head, adjustable individual interpupillary controls 50-75mm; diopter adjustment on left tube eye socket |
| Eyepiece / Field of Number | WF 10x / 18 mm (Paired set, standard configuration alignment) |
| Nosepiece Design | Revolving quadruple (4-position) forward-facing objective turret housing with smooth mechanical click-stops |
| Objectives Classification | Achromatic Corrected Objective Lens Line (Anti-fungus treated) |
| Objectives Magnification Breakdown | Achromatic series tracking: 4x/0.10, 10x/0.25, and 40x/0.65 spring-loaded dry micro pathways |
| Total Magnification Range | 40x, 100x, and 400x standard optical calculation limits |
| Focusing Type & Graduation | Coaxial coarse and fine adjustment block knobs operating a heavy internal alignment pathway; fine tracking graduation 2 micrometers |
| Stage Dimensions & Surface Coating | Integrated mechanical stage platform measuring approx. 125 x 115 mm with hard protective surface coating and integrated slide specimen holder clips |
| Stage Travel Range & Controls | Precision coaxial X-Y axis mechanical translation range approx. 50 x 30 mm with right-hand drop-down controls |
| Condenser Type & Numerical Aperture | Abbe Condenser NA 1.25 equipped with adjustable iris diaphragm and filter slot track structure |
| Illumination Transmitted Type | Rechargeable cordless 3W LED sub-stage transmitted module providing wireless brightfield light paths |
| Illumination Epi-EPI/Reflected | None |
| Light Intensity Management | Electronic continuous variable rotary dimmer control wheel on side panel for tracking target brightness |
| Camera Port / C-Mount Adapter Split | None (Binocular configuration; requires digital eyepiece adapter for image capture logs) |
| Contrast Methods Capability | Translucent target classic brightfield inspection tracking under cordless mobile operating field constraints |
| Power Supply & Voltage Input | Integrated internal rechargeable NiMH battery pack assembly; works with multi-voltage 100-240V AC power charging link wall cords |
| Physical Dimensions & Net Weight | Base assembly 320 x 180 mm, overall frame height 360 mm, complete assembly net weight approx. 4.6 kg |
| Standard Package Accessories Included | OBE 103 wireless frame stand, rechargeable battery block, three achromatic objectives, pair of WF 10x/18mm eyepieces, power charging link cable, dust cover, manual |
| Primary Application & Environment | Field research deployment workspaces, remote ecological field stations, agricultural crop monitoring terminals, classrooms with limited power socket distribution |
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