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Description
Eliminating immersion oil mess during routine blood screening, the Optika B383DK Darkfield Trinocular X-LED Laboratory Gear delivers 40x to 1000x magnification across an infinity-corrected E-PLAN optical path. Widefield 10x eyepieces provide a 20mm field number. The NA 0.90 dry darkfield condenser permits rapid 400x cellular checks, though resolving bacteria at 1000x requires standard brightfield oil immersion.
A rigid 7.5 kg aluminum stand supports a reversed quadruple nosepiece with four E-PLAN IOS objectives, a 3.6W X-LED3 light engine, and dual substage condensers. The rackless mechanical stage measures 216 by 150 mm with 78 by 54 mm low-position XY travel. Coaxial focus provides 2-micron fine graduations with an adjustable tension slip, paired with a 30-degree inclined trinocular tube offering 48mm to 75mm interpupillary spacing and a fixed 50:50 photo port split.
Key Features of Optika B383DK Darkfield Trinocular X-LED Laboratory Gear
Veterinary diagnostic clinics, medical teaching laboratories, and live blood screening rooms select this dry darkfield workstation for rapid, mess-free specimen checks. The dual-condenser system allows technicians to swap between standard brightfield and dry darkfield modes in seconds without cleaning messy immersion oil off the stage.
- Infinity-corrected E-PLAN optical system configured for 40x, 100x, 400x, and 1000x magnification
- E-PLAN Plan Achromat objectives: 4x/0.10, 10x/0.25, 40x/0.65, and 100x/1.25 Oil immersion
- Trinocular viewing tube with 30-degree inclination, 48mm to 75mm IPD range, and 50:50 photo split
- Widefield 10x eyepieces delivering a 20mm field number (FN 20) with dual diopter adjustments
- Dual condenser package featuring NA 1.25 Abbe brightfield and specialized NA 0.90 dry darkfield units
- High-efficiency 3.6W X-LED3 illumination system equivalent to a 50W halogen lamp
- Beltless double-layer mechanical stage (216 x 150 mm) with low-position coaxial XY controls
- Coaxial coarse and fine focusing mechanism with 2-micron fine graduations and safety stop
Dry Darkfield Optics & X-LED Illumination
The dry darkfield condenser utilizes a hollow light cone with an NA of 0.90, illuminating unstained live blood samples and urinary sediments up to 400x magnification without requiring contact fluids. The 3.6W X-LED3 light engine delivers high-intensity daylight illumination across all dimmer settings, providing high contrast against black backgrounds while remaining cool enough to protect live specimens.
Rackless Stage Mechanics & Focus Gearing
Positioned low on the right side, the coaxial stage knobs allow operators to rest their wrists comfortably on the bench while translating specimen slides across the 78 by 54 mm envelope. The rackless stage movement prevents accidental hand scrapes, and the coaxial focus assembly tracks through 2-micron divisions with zero gear backlash.
- Rackless mechanical stage design eliminates side-protruding gear rails for safer slide scanning
- Trinocular photo tube allows direct connection of digital C-mount cameras for team viewing
- Reversed nosepiece orientation provides open access to the stage for rapid slide exchanges
Optika Manufacturer Warranty & Inclusions
Factory warranty coverage from Optika includes a 10-year warranty on mechanical and optical components, with 2 years on electronics and lifetime coverage on the X-LED module. The complete factory package contains the B-383DK frame, trinocular head, four E-PLAN objectives, Abbe brightfield condenser, dry darkfield condenser, immersion oil vial, power adapter, and dust cover.
Optika B-383DK Darkfield Trinocular Microscope with X-LED Specs
| Brand | Optika |
| Full Model Code / SKU | B-383DK / B-383DK-XLED |
| Country of Origin | Italy |
| Microscope Type | Clinical-Grade Dry Darkfield Biological Compound Trinocular Microscope System |
| Optical System Type | E-PLAN Infinity Corrected Optical System providing crisp flat-field specimen fields |
| Observation Tube Type | Trinocular Head Unit with interpupillary distance adjustment tracking from 48 mm to 75 mm and fixed 50:50 path split |
| Tube Inclination & Rotation | 30° comfortable posture inclination, 360° rotating head plate design layout |
| Eyepiece / Field of Number | Widefield WF 10x / 20 mm high-eyepoint eyepieces with independent dual diopter adjustment tracking loops |
| Nosepiece Design | Reversed quadruple (4-position) ball-bearing tracking turret block with tactile positive click indexing stops |
| Objectives Classification | E-PLAN Infinity Plan Achromatic Optical Lenses optimized for clinical contrast response |
| Objectives Magnification Breakdown | E-PLAN IOS 4x/0.10 (WD 16.8mm), 10x/0.25 (WD 5.8mm), 40x/0.65 (WD 0.43mm), 100x/1.25 (WD 0.13mm) oil immersion type |
| Total Magnification Range | Standard 40x, 100x, 400x, and 1000x exact configuration diagnostic tracking increments |
| Focusing Type & Graduation | Coaxial coarse and fine focus control wheels layout with integrated tension slip mechanism and 2-micron marking stops |
| Stage Dimensions & Surface Coating | Double-layer mechanical platform measuring exactly 216 x 150 mm with hard-coat anti-scratch beltless surface drive layers |
| Stage Travel Range & Controls | Low-position coaxial X-Y translation handles with a translation envelope of exactly 78 x 54 mm |
| Condenser Type & Numerical Aperture | Dual setup: N.A. 1.25 Abbe condenser for brightfield; N.A. 0.90 dry darkfield condenser for quick blood screening fields |
| Illumination Transmitted Type | X-LED3 high-efficiency 3.6W white LED light source module equivalent to a 50W halogen bulb array |
| Illumination Epi-EPI/Reflected | None |
| Light Intensity Management | Base integrated manual potentiometer dimmer managing constant current electrical output curves |
| Camera Port / C-Mount Adapter Split | Vertical photo port tube accepting customizable standard digital C-mount thread tracking adapters |
| Contrast Methods Capability | Transmitted Brightfield, Dry Darkfield up to 400x magnification without oil mechanics |
| Power Supply & Voltage Input | External desktop universal 100-240V AC multi-plug auto-switching power supply module components |
| Physical Dimensions & Net Weight | Chassis depth 360 mm, frame width 235 mm, total height 400 mm, structural framework net weight exactly 7.5 kg |
| Standard Package Accessories Included | B-383 base frame, trinocular head, 4 objectives, BF condenser, Dry DF condenser, immersion oil vial, power adapter, dust cover |
| Primary Application & Environment | Routine blood screening labs, educational biology biology blocks, vet clinic parasite screening workstations |
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