Penta Head Microscope OPX-181-PRO

Penta Head Microscope OPX-181-PRO

  • By RISHI SETH
  • September 19, 2026
  • 0 Comment

Opxica Penta Head Microscope OPX-181-PRO is a professional multi-observer microscope designed for collaborative laboratory research, microscopy training, teaching, and specimen analysis. It features an infinity color-corrected optical system, Siedentopf trinocular viewing head, Plan semi-apochromatic fluorescent objectives, precision mechanical stage, and coaxial focusing. Its five-person multi-viewing attachment enables simultaneous observation, while transmitted illumination and optional reflected fluorescence configurations provide flexibility for advanced microscopy applications.

×

Product Inquiry

Fill out the form below and we will get back to you.

    Description

    Product Specifications

    Specification Details
    Product Name Opxica Penta Head Microscope
    Model OPX-181-PRO
    Brand OPXICA
    Optical System Infinite Color-Corrected Optical System
    Viewing Head Siedentopf Trinocular
    Head Angle 30° Inclined
    Interpupillary Distance 50–76mm
    Eyepiece High-Eyepoint Wide-Field Plan 10X
    Eyepiece F.O.V. 25mm / 26.5mm Options
    Objective Type Plan Semi-Apochromatic Fluorescent
    Objectives 4X, 10X, 20X, 40X, 100X
    Nosepiece Backward Sextuple with DIC Slot
    Stage Double-Layer Mechanical Stage
    Stage Size 187 × 168mm
    Moving Range 80 × 55mm
    Stage Precision 0.1mm
    Stage Drive Two-Way Linear Drive
    Focusing Low-Position Coaxial Coarse & Fine
    Coarse Adjustment 25mm
    Fine Precision 0.001mm
    Condenser Swing-Out Achromatic
    Condenser N.A. 0.9
    Transmitted Illumination 12V/100W Halogen
    Power Transformer 100–240V AC, 50/60Hz
    Transmitted Filters LBD / ND6 / ND25
    Fluorescence Illuminator Sextuple Reflected Fluorescence Illuminator
    Fluorescence Filters UV / B / G Options
    Mercury Lamp 100W
    Xenon Lamp 75W Option
    Camera Adapter 0.5X / 0.65X / 1X C-Mount Options
    Multi Viewing 5-Person Attachment
    DIC Attachment Available
    Calibration Slide 0.01mm Option

    Key Features

    • Professional Penta Head Microscope
    • Multi Viewing Attachment for 5 Persons
    • Infinity Color-Corrected Optical System
    • Siedentopf Trinocular Observation Head
    • 30° Inclined Viewing Head
    • 50–76mm Interpupillary Distance
    • Multiple Eyepiece Configurations
    • Plan Semi-Apochromatic Fluorescent Objectives
    • 4X, 10X, 20X, 40X & 100X Objectives
    • Backward Sextuple Nosepiece
    • DIC Slot
    • Large Double-Layer Mechanical Stage
    • 187 × 168mm Stage Size
    • 80 × 55mm Moving Range
    • 0.1mm Stage Precision
    • Coaxial Coarse & Fine Focusing
    • 0.001mm Fine Focusing Precision
    • Swing-Out Achromatic Condenser
    • N.A. 0.9 Condenser
    • 12V/100W Halogen Transmitted Illumination
    • Wide-Voltage 100–240V Transformer
    • LBD, ND6 & ND25 Transmitted Filters
    • Optional Sextuple Reflected Fluorescence Illuminator
    • UV/B/G Fluorescence Filter Options
    • Optional Mercury/Xenon Fluorescence Illumination
    • Optional C-Mount Camera Adapters
    • Optional DIC Attachment

    Applications

    The Opxica Penta Head Microscope OPX-181-PRO is suitable for:

    • Microscopy teaching
    • Laboratory training
    • Biological research
    • Scientific research
    • Collaborative specimen observation
    • Academic institutions
    • Research laboratories
    • Fluorescence microscopy
    • Advanced laboratory analysis
    • Microscopy demonstrations
    • Digital microscope imaging

    Penta Head Multi-Observer Configuration

    The key feature of the OPX-181-PRO is its Multi Viewing Attachment for 5 Persons.

    This configuration allows up to five observers to participate in the same microscopy session, making it useful for:

    • Laboratory teaching
    • Microscopy training
    • Research discussions
    • Group specimen observation
    • Demonstrations
    • Academic laboratories
    • Collaborative research

    The multi-viewing attachment is listed as a configuration option in the supplied specification.


    Infinity Color-Corrected Optical System

    The microscope incorporates an infinite color-corrected optical system designed for detailed microscopic observation.

    Its Plan Semi-Apochromatic fluorescent objectives are available in the following configurations:

    Objective Numerical Aperture Working Distance
    4X 0.13 18.5mm
    10X 0.30 10.6mm
    20X 0.50 2.33mm
    40X 0.75 0.6mm
    100X 1.30 0.21mm

    The objectives are designed for infinity-corrected optical systems and fluorescence applications.


    Trinocular Observation Head

    The Siedentopf trinocular observation head is inclined at 30° and supports an interpupillary distance of 50–76mm.

    The supplied configuration supports selectable light-splitting arrangements between the eyepieces and trinocular port, including:

    • Eyepiece : Trinocular = 100:0
    • 20:80
    • 0:100

    This provides flexibility for visual observation and microscope imaging configurations.


    Eyepiece Options

    The OPX-181-PRO supports high-eyepoint wide-field Plan eyepieces.

    Available configurations include:

    • PL10X/25mm
    • PL10X/25mm with reticle
    • PL10X/26.5mm
    • PL10X/26.5mm with reticle
    • Diopter-adjustable configurations

    These options allow the microscope to be configured according to different observation and measurement requirements.


    Nosepiece

    The microscope can be equipped with a backward sextuple nosepiece with a DIC slot.

    The supplied specifications also list backward quintuple and septuple nosepiece configurations depending on the selected system configuration.

    The nosepiece arrangement allows convenient switching between objectives during microscopic observation.


    Mechanical Stage

    The OPX-181-PRO features a double-layer mechanical stage measuring 187 × 168mm.

    Stage Specifications

    • Stage size: 187 × 168mm
    • Moving range: 80 × 55mm
    • Precision: 0.1mm
    • Two-way linear drive
    • Adjustable tension
    • Mechanical specimen positioning

    The stage provides controlled movement of specimens during detailed observation and research.


    Focusing System

    The microscope frame incorporates a low-position coaxial coarse and fine adjustment system.

    Focusing Specifications

    • Coaxial coarse and fine focusing
    • Coarse adjustment distance: 25mm
    • Fine precision: 0.001mm
    • Coarse adjustment stop
    • Tightness adjustment

    This configuration allows precise focusing while maintaining convenient control during extended microscopy sessions.


    Transmitted Illumination

    The OPX-181-PRO is equipped with a 12V/100W halogen lamp house for transmitted light.

    The illumination system provides:

    • Centre pre-set illumination
    • Adjustable intensity
    • 12V/100W halogen lamp
    • Transmitted-light observation

    The microscope frame also incorporates a 100–240V AC, 50/60Hz wide-voltage transformer with digitally adjustable and resettable illumination intensity.

    Built-in transmitted filters include:

    • LBD
    • ND6
    • ND25

    Condenser

    The microscope uses a swing-out achromatic condenser with N.A. 0.9.

    The condenser configuration is designed for transmitted-light observation and supports controlled illumination of microscope specimens.


    Reflected Fluorescence Configuration

    For advanced fluorescence microscopy, the OPX-181-PRO can be configured with a sextuple reflected fluorescence illuminator.

    The fluorescence illuminator includes:

    • Iris field diaphragm
    • Aperture diaphragm
    • Central adjustment
    • Filter slot
    • Polarizing slot
    • Fluorescence filter options

    Available fluorescence filter configurations include:

    • UV
    • B
    • G

    This configuration provides flexibility for fluorescence-based laboratory and research applications.


    Fluorescence Light Source Options

    The supplied specification includes a 100W mercury lamp house with adjustable filament centering and focusing.

    The reflected-light system also includes an adjustable reflected mirror with center and focus adjustment.

    A 75W xenon lamp house is available as an option.

    The configuration also lists:

    • Digital power controller
    • Wide-voltage 100–240VAC operation
    • Imported OSRAM 100W mercury lamp
    • OSRAM 75W xenon lamp option

    Camera & Imaging Accessories

    The OPX-181-PRO can be configured with additional imaging accessories for microscope documentation and digital observation.

    Available options include:

    • 0.5X / 0.65X / 1X focusing C-mount camera adapters
    • Cooled CCD camera
    • SONY 2/3-inch, 1.4MP ICX285AQ Color CCD
    • Centering objective for fluorescence observation
    • Calibration slide 0.01mm
    • DIC attachment

    These accessories can extend the microscope’s functionality for imaging, calibration and advanced microscopy applications.

    RISHI SETH

    I’m a Digital Marketer and SEO Specialist focused on the Science & Research ecosystem. My niche expertise includes Microscope SEO, Laboratory Equipment SEO, Scientific Instrument SEO, and Research-focused SEO. I specialize in SEO, AEO, GEO & AIO—helping science-driven brands improve search visibility, build authority, reach researchers and laboratories, and stay discoverable across Google and AI-powered search.

    Leave a Reply

    Your email address will not be published. Required fields are marked *