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Description
Inspect botanical cross-sections and secondary biology slides using the Motic B1-220E-SP Binocular Lab Microscope. Operating on a standard 160 mm finite optical tube, it provides 40x, 100x, and 400x dry magnification via three Semi-Planachromatic SP objectives: 4x, 10x, and spring-loaded 40x. That all-dry objective configuration completely bypasses messy immersion oils, keeping student fingers, slide clips, and stage decks clean. The sliding binocular head sits at a comfortable 45-degree angle and rotates 360 degrees, paired with widefield high-eyepoint WF 10x/18 mm eyepieces featuring bilateral diopter adjustment rings (+/- 5 diopters) to balance vision differences across a 55 mm to 75 mm interpupillary range.
Its 140 x 135 mm mechanical stage features an enclosed rackless design with no protruding gear rails to scratch wrists or snag clothing during rapid 76 x 40 mm XY scanning. Transmitted light is driven by a 3W LED base module focused through a focusable and centerable Abbe 1.25 NA condenser with an adjustable iris diaphragm. Coaxial coarse and fine focus knobs operate on internal steel gears with calibrated 2-micron fine division markings and an adjustable tension collar, supported by a 6.5 kg cast chassis (245 x 190 x 380 mm) powered via a universal 110-240V AC adapter.
Key Features of Motic B1-220E-SP Binocular Lab Microscope
An entry-level educational binocular compound microscope featuring Semi-Planachromatic dry optics and a snag-free rackless mechanical stage. Combines 40x to 400x magnification with a 3W LED light engine, a centerable Abbe 1.25 NA condenser, and bilateral diopter adjustments.
- Semi-Planachromatic SP DIN dry objectives: 4x, 10x, and spring-loaded 40x (no oil required)
- Integrated 140 x 135 mm rackless mechanical stage with non-protruding drive rails
- Transmitted 3W LED white illumination module with continuous rotary dimmer knob
- Focusable and centerable Abbe 1.25 NA condenser equipped with an iris diaphragm
- Sliding binocular head inclined at 45 degrees with 360-degree rotation for classroom sharing
- Widefield WF 10x/18 mm eyepieces with bilateral diopter equalization (+/- 5 diopters)
- Coaxial coarse and fine focus drive with calibrated 2-micrometer (0.002 mm) graduations
- Solid 6.5 kg cast-metal chassis provides complete vibration-free benchtop stability
Semi-Planachromatic Dry Optics & Oil-Free Maintenance
Standard educational labs waste significant time cleaning sticky immersion oil off stage plates and 40x objective tips. The B1-220E-SP solves that by capping its configuration at an all-dry 400x ceiling, giving instructors peace of mind during introductory histology and botany courses. The SP optics flatten central field curvature, keeping plant cell walls and epidermal stomata crisp, while the spring-loaded 40x front lens cushions accidental slide collisions.
Rackless Mechanical Stage & Centerable Condenser
Traditional mechanical stages feature exposed metal gear racks that stick out sideways, catching student cuffs during repetitive slide swaps. This enclosed rackless platform conceals the drive mechanism internally, providing smooth 76 x 40 mm translation via low-drop right-hand stalks. The focusable Abbe 1.25 NA condenser allows students to master Köhler-style optical contrast alignment, using the iris diaphragm to reveal transparent amoebas and freshwater infusions.
- Rackless mechanical stage design prevents hand scratches and snagged clothing
- Centerable Abbe condenser allows fine contrast tuning on low-contrast specimens
- Coaxial focus mechanics with 2-micron graduations provide delicate focal plane control
Motic Five-Year Educational Microscope Warranty
Motic covers the B1-220E-SP with a comprehensive five-year factory warranty covering optical elements, internal gear drives, and structural stand castings, backed by two years on LED circuitry. The complete package contains the B1-220E-SP core chassis, two WF 10x/18 mm eyepieces, three SP objectives (4x, 10x, 40x), plastic blue filter, universal AC power adapter, vinyl dust cover, and manual.
Motic B1-220E-SP Binocular Microscope 40x-400x Specs
| Brand | Motic |
| Full Model Code / SKU | B1-220E-SP 400x Payload (B1 Elite Series Binocular Entry Configuration) |
| Country of Origin | China |
| Microscope Type | Binocular Biological Compound Microscope for Standard Secondary Education and Basic Life Science Training Platforms |
| Optical System Type | Finite Optical Lens System configured for a standard 160 mm mechanical optical path tube layout |
| Observation Tube Type | Binocular Head Unit, sliding type adjusting dual optical vision tracking paths |
| Tube Inclination & Rotation | 45° inclined comfortable viewing path, 360° rotating head section with dual independent ocular tube diopter adjustment dials adjusted to +/- 5 diopter parameters |
| Eyepiece / Field of Number | Widefield WF 10x / 18 mm (Matched pair of high eye-relief ocular modules) |
| Nosepiece Design | Forward-facing quadruple revolving nosepiece block tracking clear internal click-stop positional alignments |
| Objectives Classification | Semi-Planachromatic SP DIN standard optical inspection lens tracking flat-field core geometries |
| Objectives Magnification Breakdown | Semi-Plan SP 4x, Semi-Plan SP 10x, Semi-Plan SP 40x (Spring-loaded protection tip) |
| Total Magnification Range | 40x, 100x, 400x core dry magnification configuration parameters |
| Focusing Type & Graduation | Coaxial coarse and fine focusing assembly working on steel guidance gear lines with adjustable tension rings; fine tuning increments at 0.002 mm |
| Stage Dimensions & Surface Coating | Built-in low position coaxial rackless mechanical stage measuring exactly 140 x 135 mm fended with non-protruding x-y drive rails |
| Stage Travel Range & Controls | Right-hand low-position drop coaxial translation controls mapping precisely 76 mm on the X-axis and 40 mm on the Y-axis lines |
| Condenser Type & Numerical Aperture | Focusable and centerable Abbe condenser configuration featuring a numeric aperture value of 1.25 with integrated iris diaphragm slots |
| Illumination Transmitted Type | Base integrated 3W LED transmissive white illumination array with solid color temperature profiles |
| Illumination Epi-EPI/Reflected | None |
| Light Intensity Management | Continuous variable electronic analog rotary potentiometer control knob tracking local illumination brightness logs |
| Camera Port / C-Mount Adapter Split | None (Dedicated dual eye binocular optical pathway tracking paths) |
| Contrast Methods Capability | Transmitted sample brightfield analysis, routine histology slide checks, basic cellular configuration viewing |
| Power Supply & Voltage Input | External switching power adaptor accepting universal mains 110-240V AC multi-frequency electrical inputs |
| Physical Dimensions & Net Weight | Chassis depth 245 mm, profile width 190 mm, complete assembly height 380 mm, structure net weight approx. 6.5 kg |
| Standard Package Accessories Included | B1-220E-SP core chassis block, two WF 10x eyepiece modules, dry SP objectives configuration payload (4x, 10x, 40x), plastic blue filter, vinyl dust cover |
| Primary Application & Environment | High school biology training cells, general introductory life science desks, basic botanical tissue validation cells, student specimen cross-section logging units |
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