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Trinocular Comparison Microscope

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Trinocular Comparison Microscope Specification

Focus System
Coarse and fine coaxial focusing drive.

Features
Simultaneous side-by-side specimen comparison, optional digital documentation, rugged construction.

View Head
Trinocular, dual optical path for left and right specimen viewing.

Spare Parts
Replacement lamps, fuse, eyepieces, objectives available.

Theory
Used to compare two specimens side by side for forensic, biological, and material analysis.

Drawtube
Trinocular head for simultaneous viewing and camera attachment.

Sensor
Compatible with digital imaging sensors (with adapter).

Resolution
High optical resolution suitable for forensic detail observation.

Interface
Standard trinocular port for camera interface.

Frame Rate
30 fps (when paired with digital imaging system).

Focal Distance
Adjustable; typically 50mm to infinity depending on objectives.

Magnification
10x to 40x (standard); higher with optional objectives.

Dimensions
Approx. 46 x 28 x 45 cm.

Focus Range
Coarse and fine focus adjustment, range up to 25mm.

Eyepieces
Paired 10x/22mm wide field eyepieces.

Eyepiece Tube
Inclined at 45, rotatable 360.

Illumination
Incident and transmitted halogen lamp illumination, adjustable intensity.

Coarse Adjustment Range
Up to 30 mm vertical movement.

Fine Adjustment Range
0.002mm precision fine focus movement.

Working Stage
Double plate mechanical comparing stage with slide holders, 75mm x 50mm.

Still Image Capture Resolution
Dependent on attached camera; typically 5MP or higher.

Video Capture Resolution
Dependent on attached camera; up to 1920x1080 Full HD.

Image Format
Supports digital image formats via camera attachment (JPEG, BMP, etc.).

Interpupillary Distance
Adjustable from 55 to 75mm.

Objective Achromatic
4x, 10x, 20x, 40x achromatic objectives.

Condenser
Abbe condenser, NA 1.25, with iris diaphragm.

Light Source
Halogen or LED lamp, brightfield/oblique illumination switchable.

Optical System
Infinity-corrected optical system provides distortion-free imaging.

Power Supply
AC 110V/220V, 50/60Hz.

Camera Mount
C-mount adapter included for digital camera integration.

Usage
Ideal for forensic, metal, fiber, and document comparison.

Comparator Bridge
Equipped with a high-quality comparator bridge for seamless image alignment.

Stage Movement
X-Y mechanical travel with knobs for precise adjustments.

Field of View
Wide field (up to 22 mm) for full sample coverage.

Weight
Approximately 13 kg.

Body Material
Sturdy metal alloy frame with anti-corrosive coating.

Polarization
Polarizing filters available for contrast enhancement.

About Trinocular Comparison Microscope

Specifications

Trinocular comparison microscope

Trinocular comparison microscope developed about four decades ago in consultation with the leading Scientists and Criminologists of world repute, thereafter the instruments are being continually updated. Comparison Microscope are the most advanced & versatile instruments invented for comparative Micro study in Forensic Science, geology,

Metallurgy, Mineralogy, Crystallography and Chemical Microscopy. By means of this sophisticated instrument, two micro samples can be studied under one Eye. It combines the latest opto-mechanical developments in light microscopy. This instrument consist of two microscopes & their split images can be viewed simultaneously, with The image from one being on the left side & the other image on the right side. This Microscope can Also compare fibre, hair, bullets, paint fragments under the same lighting conditions & magnification.

The Microscope, having their own illuminations, quadruple revolving nosepieces, coarse and Fine motion knobs, 120mm x 120mm stages, are mounted upon a heavy built-in light base. Leveling Screws are provided to ensure their exact alignment. Transmitted illumination for transparent objects, Incident light for opaque objects and spot lamps for papers are provided for different applications. The comparison bridge brings both the beam paths together and two images of object under Examination, separated by a thin line are observed side by side in the field of view through a Monocular tube.

Standard comparison Microscope are available with Magnification from 20x to 600x having following optical Combination:
Achromatic Objectives : 4x, 10x and 40x SL
Huy. Eyepieces : Wf10x, H15x, H10x micro And H5x cross.
All paired objectives are flat field, strain free and having Anti- reflection coating. The Microscope is supplied with a special vice type Mechanical stages to hold objects like bullets, coins, Industrial materials etc. and another plate to hold Materials like currency notes, cartons, stamps, finger Prints etc.
Total Weight: 45kg.
Size of cases: 46x42x45cm. & 57x41x26 cm.
Optional Accessories: Photo micrographic Attachment Projection Screen Attachment, Semi Plan Objectives 2.5x, 20x, 60x, & Oil Immersion 100x, Spare Eyepieces, USB Camera with Necessary software etc

Precise Side-by-Side Comparison

Utilizing a high-quality comparator bridge and dual optical paths, this microscope is tailored for detailed analysis of two specimens at once. The wide field of view and high-resolution objectives allow experts to detect minute differences or similarities across metals, fibers, documents, and biological samples, ensuring accurate forensic conclusions.

Advanced Imaging Versatility

Infinity-corrected optics ensure clear, distortion-free magnification ranging from 10x to 40x (expandable), complemented by paired 10x/22mm wide field eyepieces. Adjustable halogen/LED illumination and integrated polarization deliver superior contrast for both transmitted and incident lighting setups, facilitating precise examination under varied conditions.

Convenience and Durability

Built with a robust metal alloy frame and anti-corrosive coating, this microscope is engineered for longevity even in demanding laboratory environments. The trinocular head supports both direct viewing and digital imaging with included camera adapters, providing seamless documentation and image analysis for forensic or research purposes.

FAQs of Trinocular Comparison Microscope:

Q: How does the trinocular comparison microscope enable side-by-side analysis of specimens?

A: This microscope features a dual optical path and a high-quality comparator bridge, allowing users to view two specimens simultaneously in the same field. This setup is essential for accurate forensic comparison, letting analysts seamlessly align, examine, and contrast minute sample differences.

Q: What types of samples can be examined with this microscope?

A: The instrument is suitable for a broad range of applications, including the comparative analysis of fibers, metals, biological tissues, and documents. Its wide field of view and adjustable magnification make it ideal for forensic investigation, material science, and document verification.

Q: When should the polarizing filters be used during observation?

A: Polarizing filters are best utilized when enhanced image contrast or the investigation of birefringent materials is necessary, such as in fiber analysis or distinguishing different metal structures. The filters help suppress glare and clarify subtle details that might otherwise be difficult to discern.

Q: Where can digital documentation be performed using this microscope?

A: Digital documentation is supported through the integrated trinocular head and C-mount adapter, which allow connection to most digital cameras. Images and videos can be captured in formats like JPEG or BMP, facilitating easy storage, sharing, and reporting in laboratory or forensic environments.

Q: What is the process for adjusting focus and stage position during observation?

A: Precise specimen positioning is achieved using X-Y mechanical stage knobs, which enable smooth movement. Coarse and fine coaxial focus controls allow both rapid and micro-adjustments, with fine focus precision up to 0.002mm, ensuring critical details are always in sharp view.

Q: How does the infinity-corrected optical system benefit users?

A: The infinity-corrected optical design provides distortion-free images across the entire field, allowing for accurate, high-resolution observation regardless of sample thickness. This is crucial in forensic work where clarity and measurement accuracy are paramount.

Q: What maintenance and spare parts are available for this microscope?

A: To ensure longevity and consistent performance, replacement parts such as lamps, fuses, eyepieces, and objectives are available through the manufacturer or supplier, supporting ongoing laboratory use with minimal downtime.

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