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PR-2 Polarizing Microscope

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PR-2 Polarizing Microscope Specification

View Head
Binocular, rotatable 360°.

Focus System
Coaxial coarse and fine focusing controls.

Spare Parts
Replacement bulbs, eyepieces, and objectives available.

Features
Rotating stage, graduated goniometer scale, polarizer and analyzer, Bertrand lens, centering mechanism for objectives.

Theory
Polarizing Microscope designed for mineralogy, petrology, and geological studies.

Drawtube
Binocular semi-vertical inclined drawtube.

Sensor
Not Applicable - Optical microscope, no digital sensor.

Resolution
Optical resolution based on objectives used; typically up to 1000x magnification detail.

Interface
Standard mechanical adjustments; no digital interface.

Frame Rate
Not Applicable - Non-digital instrument.

Focal Distance
76 mm working distance (approximate).

Magnification
40x to 400x (can be extended with other objectives/eyepieces).

Dimensions
Body approx. 380 x 230 x 150 mm.

Focus Range
Coarse & Fine adjustment mechanism provided.

Eyepieces
Paired 10x wide field and 15x available.

Eyepiece Tube
Binocular tube, inclined at 45°.

Illumination
Sub-stage halogen lamp; transmitted light illumination, adjustable intensity.

Coarse Adjustment Range
Coarse focus knob with large adjustment range, typically 20mm.

Fine Adjustment Range
Fine focus knob with low division and smooth movement, typically 0.002mm.

Working Stage
Rotatable circular mechanical stage with graduations and centering mechanism.

Still Image Capture Resolution
Not Applicable - No camera system integrated.

Video Capture Resolution
Not Applicable - No camera system integrated.

Image Format
Not Applicable - Optical viewing.

Interpupillary Distance
Adjustable 55 mm to 75 mm.

Objective Achromatic
Achromatic objectives 4x, 10x, 40x (spring loaded), 100x (optional oil immersion).

Condenser
Centerable Polarizing Condenser with swing-out mechanism.

Light Source
Built-in halogen lamp, 6V 20W with adjustable illumination.

Body Material
Die-cast metal body with durable finish.

Bertrand Lens
Focusable and swing-out type for conoscopic observation.

Mirror
Adjustable plain & concave mirror optionally provided for illumination without electricity.

Stage Movement
360° rotational stage with graduations up to 1°. Precision ball bearing movement.

Voltage Range
Operates on 220V/110V AC.

Nosepiece
Quadruple revolving nosepiece, smooth rotation.

Polarizer
Mounted in rotating frame, can be inserted or removed from optical path.

Mechanical Stage
X-Y axis mechanical stage with vernier scale for fine positioning.

Safety
Fused electrical connection to prevent overload.

Analyzer
Sliding type analyzer located above objective turret.

Compensators
Provision to insert compensator plates (Gypsum, Mica, Quartz wedge).

About PR-2 Polarizing Microscope

Polarizing Microscope

SPECIFICATIONS:

Stand	Sturdy Stand with anti-rust material
Viewing Head	Binocular Tube, 45 inclined, 360 rotatable
Eyepiece	Wide Field eyepiece WF 10x, FOV 18m
Nosepiece	Quadruple nosepiece
Objective	QUAO Series Achromatic Polarizing Objective 5x, 10x and 45x(SL)
Stage	Graduated circular stage rotatable in 360, graduate with venire reading up to 0.1mm
Condenser	Moveable ABBE Condenser, center able, NA 1.25 with aspheric lens. Iris diaphragm and special day light blue filter Swing- in and swing- out filter holder
Focusing Module	CO AXIAL coarse & fine focusing mechanism, with tension control ring. Ergonomically Designed for easy grip, esp. for tension control.
Polarizing system	Polarizing Analyzer, Bertrand Lens, Slip, Quartz Wedge
ILLUMINATION	Illumination system LED 3.3W 3V with intensity control regulator.
Power	Universal power supply 110V-240V, CE approved.
Standard Accessories	Packed in molded Styrofoam box with: User manual Vinyl Dust cover Cleaning Cloth 01 unit Fuse

Precision for Geological Analysis

The PR-2 Polarizing Microscope offers unparalleled control for mineral and rock studies, featuring a 360 rotatable stage with 1 graduations and precise mechanical movement. Achromatic objectives and wide-field eyepieces deliver clear images, while a centering mechanism ensures accurate alignment, making it ideal for professional research and teaching environments.

Integrated Optical Features

Enjoy advanced optical components, such as a focusable swing-out Bertrand lens, sliding analyzer, and centerable polarizing condenser, which enhance both orthoscopic and conoscopic observations. The quadruple nosepiece and provision for multiple compensator plates let users tailor the microscope for specific analysis requirements.

Robust and User-Friendly Design

Built from durable die-cast metal with fused electrical safety, the PR-2 supports both electric and mirror-based illumination. Intuitive coarse and fine focus controls, along with an adjustable interpupillary distance, make long sessions comfortable for multiple users. The instrument is suitable for use in laboratories, field stations, and educational institutions.

FAQs of PR-2 Polarizing Microscope:

Q: How does the PR-2 Polarizing Microscope enhance geological studies?

A: The PR-2 offers precise optical adjustments, a rotatable stage with angle graduations, and polarizing components, enabling detailed analysis of minerals, rocks, and other geological specimens through both orthoscopic and conoscopic observation.

Q: What is the process for conoscopic observation with this microscope?

A: To perform conoscopic observation, you can swing the Bertrand lens into position above the objective turret. This focusable lens allows for the analysis of interference figures, aiding in mineral identification and birefringence studies.

Q: Where can the PR-2 be effectively used?

A: The PR-2 is well-suited for academic, research, and industrial laboratories, as well as field stations where geological, petrological, or mineralogical investigations are required.

Q: When is it beneficial to use compensator plates with the PR-2?

A: Compensator plates, like gypsum, mica, or quartz wedge, are beneficial when you need to measure optical retardation or identify mineral species by their optical properties under polarized light.

Q: How is sample positioning managed on this microscope?

A: Positioning is handled by an X-Y mechanical stage with vernier scale, allowing for accurate movement and precise alignment of the sample on the rotating, graduated stage.

Q: What are the main safety features of the PR-2?

A: The microscope includes a fused electrical connection to prevent overload, ensuring user and instrument safety during prolonged operation.

Q: What spare parts are available for the PR-2 Polarizing Microscope?

A: Replacement bulbs, eyepieces, and objectives are readily available, ensuring continued operation and easy maintenance over the lifetime of the instrument.

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