Introduction
A comparison microscope is a microscope used to compare the two specimens or the two images side by side in the same field of view, and it is used in the forensic, the ballistics, the criminalistics, the materials, and the many other applications. The comparison microscope consists of two compound microscopes connected by an optical bridge, which joins the two optical paths into a single eyepiece, with the two stages for the specimens, and it provides the side-by-side comparison of the two specimens at the same magnification; the comparison microscope is used for the comparison of the tool marks and the striations, for the comparison of the bullets and the cartridge cases, for the comparison of the documents and the fibers, for the comparison of the materials, for the forensic examination, for the research, and for many other applications; the comparison microscope is an essential instrument for the comparative examination. Comparison microscopes are used in the forensic laboratories, in the ballistics, in the criminalistics, in the materials, and for many other applications. With their side-by-side comparison, comparison microscopes are essential for the comparative examination.
Comparison microscope LCM-T2011
Comparison Microscope offers a magnification range from 2x to 240x, ensuring precise and detailed forensic analysis. It is equipped with advanced a magnification correction system that i...
Comparison microscope LCM-T2010
Comparison microscope the side-by-side analysis of two specimens by same person is possible. It comes with built in digital colour video recording system to observe a live image of the s...
Standards
ISO 9345:2019-Microscopes-Interfacing dimensions for imaging components
Complies with the above standards, but is not limited to them.
Features
1. Comparison microscope for simultaneous side-by-side comparison of two specimens.
2. Dual optical paths with split viewing for direct comparison of evidence samples.
3. Suitable for forensic science, document examination, gemology and quality control.
4. High-quality optics with matched magnification for accurate comparison.
5. Includes dual sample stages, comparison bridge, objectives, eyepieces and illumination.
FAQ
Q1: What testing scenarios is this microscope mainly applied to?
A: The comparison microscope is used in forensic science laboratories, document examination departments, gemology, firearms examination, quality control and research institutions to simultaneously view and compare two specimens side by side through a single optical system. It supports forensic firearms and toolmark comparison for criminal investigations, questioned document examination including handwriting and signature analysis, gemstone comparison for identification and grading, currency and document authenticity verification, and industrial quality control for part comparison. The split-view comparison allows direct visual matching of details between two samples, which is critical for forensic identification, authentication and quality assessment. It is essential for forensic laboratories, law enforcement agencies, gemological laboratories, document examiners and quality control departments requiring reliable, standardized comparison microscopy for evidence analysis, authenticity verification, gem identification and quality comparison, where direct side-by-side visual comparison provides the most effective means of identifying matching characteristics, differences and anomalies between two specimens.
Q2: What standards does the microscope comply with?
A: The comparison microscope complies with relevant ISO and GB/T standards for optical microscopes, and forensic applications follow applicable forensic science standards and accreditation requirements including ISO 17025 for testing laboratories. The instrument complies with relevant electrical safety standards. Optical performance should be verified for forensic use.
Q3: What is the warranty period for the whole machine and key components?
A: The whole comparison microscope is covered by a 12-month warranty. The optical system, comparison bridge, objectives, eyepieces and illumination are covered, while bulbs and fuses are consumables. Damage from improper cleaning, dropping or unauthorized repair is excluded. Extended service contracts are available for this specialized instrument.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires specialist training in comparison microscopy, forensic examination techniques and optical alignment. We provide comprehensive training, operation manuals and application support. Proper specimen preparation, stage alignment, illumination matching and comparison technique are essential for valid forensic comparison results.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular maintenance required? What is the recommended maintenance cycle?
A: Optical surfaces cleaned regularly with appropriate lens paper and solvent. Bulb replacement follows the manufacturer schedule. Comparison bridge alignment verified periodically. Full optical alignment and performance check recommended annually for forensic instruments. Stage and focus mechanisms lubricated per schedule.
Q7: Are supporting consumables universal?
A: Bulbs, fuses and immersion oil are available from multiple suppliers, though bulb type should match the specification. Objectives and comparison optics are specialized and should be sourced from the manufacturer. Long-term consumable cost is moderate.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes objective set, magnification range, illumination type, comparison bridge configuration, camera port and forensic accessories. Custom orders require detailed specification and extend lead-time. Users should define application type, required magnification and specimen format before configuration.
Q9: Does the purchase include on-site installation and commissioning service?
A: Yes, comparison microscopes include on-site installation, commissioning, optical alignment and comprehensive operator training by certified forensic microscopy specialists. Site preparation guidance is provided before delivery to ensure vibration isolation, lighting and environmental requirements are met.
Q10: What types of specimens are compatible with this equipment?
A: The comparison microscope examines two solid specimens including firearms, toolmarks, documents, gemstones, currency, parts and materials within the stage capacity and magnification range. Specimen type determines the appropriate illumination and preparation. Very large or irregular specimens may require custom staging. Users should ensure proper specimen mounting and alignment on both stages, match illumination and magnification between both optical paths, follow forensic chain of custody and documentation procedures, and perform regular optical alignment verification to maintain comparison accuracy for forensic or authentication purposes.
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