Description
Reclaim crowded workbench real estate during jewelry engraving and soldering using the Kern OZL 445 Compact Stereo Microscope. Built around a slim 230 x 180 mm pillar stand, this 4.0 kg workstation fits into narrow repair stations while delivering 7.5x to 36x continuous magnification via an 0.75x to 3.6x Greenough zoom engine. The 45-degree binocular viewing head rotates 360 degrees, fitted with widefield high-eyepoint WF 10x/21 mm eyepieces with bilateral diopter equalization across a 55 mm to 75 mm interpupillary range.
Dual illumination is integrated directly into the chassis: an angle-adjustable 0.35W LED top spotlight for metallic surface textures, and an independent 0.35W sub-stage LED panel for translucent samples. Independent electronic potentiometer dials on the base deck allow separate brightness regulation without thermal distortion. Standing 380 mm tall, the frame incorporates dual-sided rack-and-pinion coarse focus knobs, running on universal 100-240V AC power with internal transformer stabilization.
Key Features of Kern OZL 445 Compact Stereo Microscope
A compact binocular Greenough stereo zoom microscope featuring dual 0.35W LED illumination and an ultra-narrow bench footprint. Combines 7.5x to 36x magnification with widefield 21 mm eyepieces, rack-and-pinion focus mechanics, and independent base dimmer controls.
- Continuous 7.5x to 36x zoom magnification powered by an 0.75x to 3.6x Greenough core
- Dual 0.35W LED lighting: angle-adjustable incident top spot plus sub-stage transmitted panel
- Independent variable potentiometer rotary controls on base for both illumination circuits
- Widefield high-eyepoint WF 10x/21 mm eyepieces with bilateral diopter adjustments
- Dual-sided rack-and-pinion coarse focus drive with internal vertical gear guides
- Ultra-compact 230 x 180 mm metal stand base equipped with frosted glass and black/white plates
- Greenough stereoscopic layout yields genuine 3D spatial depth for delicate tool handling
- Solid 4.0 kg assembly mass provides steady, vibration-free benchtop support
Greenough 3D Depth & Angle-Adjustable Top Spotlight
The V-shaped Greenough optical pathway produces pronounced stereoscopic relief, making delicate hand-tool work like tweezer sorting, gem setting, and micro-soldering feel natural and precise. The overhead 0.35W LED illuminator tilts on a swivel joint, allowing technicians to throw directional raking light across engraving lines and solder joints to reveal subtle surface textures. Achromatic multi-coated lenses preserve high-contrast color neutrality across the entire zoom curve.
Ultra-Compact Bench Footprint & Dual-Source Lighting
Measuring just 230 x 180 mm at the base, the OZL 445 fits onto crowded watchmaker counters and dental technician desks without crowding out hand tools. Having independent dimmer controls for both the top spotlight and bottom panel lets technicians inspect opaque metal parts or switch to translucent plastic dental molds without swapping hardware. The dual-sided rack-and-pinion focus block moves smoothly along the vertical post.
- Ultra-compact baseplate preserves maximum workbench space for hand tools and soldering irons
- Angle-adjustable incident spotlight highlights surface flaws and micro-burrs
- Independent top and bottom LED dimmers deliver flexible contrast management
Kern & Sohn Three-Year Laboratory Warranty
Kern & Sohn covers the OZL 445 with a comprehensive three-year factory warranty covering optical elements, stand castings, and mechanical rack gearing, backed by two years on LED circuitry. The complete package contains the OZL 445 binocular pillar stand frame, pair of WF 10x/21 mm eyepieces, frosted glass plate, black/white plate, eye shields, power cable, dust cover, and manual.
Kern & Sohn OZL 445 Binocular Greenough Stereo Zoom Microscope Pillar Stand 0.75x-3.6x WF10x21mm 0.35W LED Specs
| Brand | Kern & Sohn |
| Full Model Code / SKU | OZL 445 (Compact Stereo Workshop Series) |
| Country of Origin | Germany |
| Microscope Type | Binocular Greenough Stereo Zoom Inspection Microscope System |
| Optical System Type | Greenough Dual-Optical Pathway V-Shape Structural Lens Layout |
| Observation Tube Type | Binocular Head Unit configured with internal matched alignment image erecting prisms |
| Tube Inclination & Rotation | 45° inclined viewing track, 360° rotatable head, adjustable individual interpupillary tracking sliders (55-75 mm); diopter equalization on both eye sleeves |
| Eyepiece / Field of Number | WF 10x / 21 mm (Wide-field high eyepoint oculars with integrated rubber eyeguards) |
| Nosepiece Design | None (Continuous rotary magnification zoom changer housing system) |
| Objectives Classification | Achromatic Corrected Dual Zoom Objective Path System |
| Objectives Magnification Breakdown | Continuous structural optical zoom objective range: 0.75x to 3.6x magnification adjustment track |
| Total Magnification Range | 7.5x to 36x continuous adjustment scaling logs |
| Focusing Type & Graduation | Coarse adjustment focus block knobs working on dual-side rack and pinion vertical tracking gear guides |
| Stage Dimensions & Surface Coating | Compact pillar stand platform equipped with dual metal specimen clips and interchangeable frosted glass and black/white stage plates |
| Stage Travel Range & Controls | Fixed stage platform with manual specimen sliding tracking setup across the work area |
| Condenser Type & Numerical Aperture | None (Stereomicroscopic open focal field system) |
| Illumination Transmitted Type | Sub-stage integrated transmitted 0.35W LED light source tracking transparent translucent specimen bases |
| Illumination Epi-EPI/Reflected | Overhead incident 0.35W LED angle-adjustable light tracking target surface topography details |
| Light Intensity Management | Independent electronic variable potentiometer rotary controls on base assembly tracking illumination brightness levels |
| Camera Port / C-Mount Adapter Split | None (Binocular optical configuration layout path) |
| Contrast Methods Capability | Three-dimensional spatial brightfield inspection tracking, shadow contrast reflection mapping |
| Power Supply & Voltage Input | Integrated internal power transformer block module accepting 100-240V AC variable input paths |
| Physical Dimensions & Net Weight | Base layout 230 x 180 mm, overall structural height 380 mm, complete assembly net weight approx. 4.0 kg |
| Standard Package Accessories Included | OZL 445 binocular pillar stand frame, pair of WF 10x/21mm eyepieces, frosted glass plate, black/white plate, eye shields, power cable, dust cover, manual |
| Primary Application & Environment | Jewelry engraving workshops, electronic circuit soldering stations, dental laboratory technicians, watch repair benches |




















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