Bestscope BS-5040 Polarizing Microscope with Color Corrected Infinity Optional System

The BS-5040 series of transmitted polarizing microscopes are designed for high precision and clarity in observing a wide range of polarized specimens, such as mineral thin sections, polymers, crystals, and particulates. These microscopes feature a smooth, rotating, and graduated stage along with a complete set of polarizers, making them ideal for various scientific applications. The system is equipped with an advanced color-corrected infinite optical system, comfortable binocular or trinocular viewing heads, and strain-free infinity plan objectives that offer a magnification range from 40X to 400X. A digital camera can be used with the BS-5040T model for image analysis and documentation. Key features include: 1. **Color-Corrected Infinity Optical System** – Ensures accurate color reproduction and sharp imaging across all magnifications. 2. **Strain-Free Infinity Plan Objectives** – Provide excellent resolution and clarity, reducing distortion and enhancing image quality. 3. **Center-Adjustable Components** – The nosepiece and rotating stage are both center-adjustable, improving accuracy and ease of use. 4. **Rotatable Analyzing Unit** – Allows for precise control over polarization angles and specimen orientation. 5. **Built-in Bertrand Lens** – Enhances the observation of birefringent materials by providing additional optical flexibility. These microscopes are widely used in geology, mineralogy, metallurgy, university teaching laboratories, chemical fiber industries, semiconductor manufacturing, and pharmaceutical inspections. Their versatility makes them a valuable tool in both research and educational settings. ### Specifications | Model | BS-5040B | BS-5040T | |-------|----------|----------| | Optional System | Color Corrected Infinity Optics | Yes | | Viewing Head | Binocular (Seidentopf, 30°, 360° rotatable, 50–75 mm interpupillary) | Yes | | Viewing Head | Trinocular (Seidentopf, 30°, 360° rotatable, 50–75 mm interpupillary, 20:80 light distribution) | Yes | | Eyepiece | WF 10×/18mm | Yes | | Eyepiece | WF 10×/18mm (Graticule 0.1mm) | Yes | | Objective | Strain-Free Infinity Plan Objectives | 4×, 10×, 20× (S), 40× (S), 60× (S) | Yes | | Nosepiece | Center Adjustable Quadruple Nosepiece | Yes | | Analyzing Unit | Rotatable 360° (Module Type, Can Be Locked) | Yes | | Bertrand Lens | Inbuilt, Center Adjustable | Yes | | Optional Compensator | λ Slip First Class Red | Yes | | Optional Compensator | 1/4λ Slip | Yes | | Optional Compensator | (I–IV Class) Quartz Wedge | Yes | | Stage | Revolving Round Stage (360°, Center Adjustable, 1° Division, 6' Vernier) | Yes | | Stage | Polarizing Attached Mechanical Stage | Optional | | Condenser | Abbe N.A. 1.25 Non-stress | Yes | | Polarizing Unit | With Scale, Rotatable 360°, Can Be Locked | Yes | | Illumination | 6V/20W Halogen Lamp | Yes | | Illumination | 6V/30W Halogen Lamp | Optional | | Filter | Blue (Built-in) | Yes | | Filter | Amber | Optional | | Filter | Green | Optional | | Filter | Neutral | Optional | | C-mount | 1×, 0.47× (Focus Adjustable) | Optional | **Note:** "Yes" indicates standard equipment; "Optional" indicates available accessories. **Packing Size:** 570mm × 275mm × 450mm **Gross Weight:** 8.6 kg **Net Weight:** 7.5 kg This microscope is a powerful and versatile tool for researchers and students alike, offering precision, comfort, and adaptability for a wide range of microscopic investigations. Whether you're studying minerals, analyzing materials, or conducting academic research, the BS-5040 series provides the performance and functionality needed for professional-grade results.

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