The Reichert-Jung Polyvar Met is a research-grade metallurgical microscope built on infinity-corrected optics with a modular design for materials science and industrial analysis. It delivers magnifications from 16x to 2000x through interchangeable Plan achromat and Plan fluorite objectives, paired with 10x widefield eyepieces offering a 51° viewing angle. The instrument supports brightfield, darkfield, polarized light, differential interference contrast (DIC/Nomarski), and epi-fluorescence imaging modes, each selectable through an integrated filter wheel with neutral density, color, and iris options. A motorized X-Y stage with 100 × 100 mm travel enables raster scanning and programmable positioning. The 100 W halogen illuminator (3200 K) integrates directly into the stand, while a built-in Bertrand lens with adjustable 2x magnification facilitates phase contrast alignment and field verification. Objective availability spans standard, long working distance (LWD), and extra-long working distance (XLWD) configurations in 5x, 10x, 20x, 50x, 100x, and 150x powers.
– Technical Specifications
-# Optical System
• Infinity-corrected optics
• Magnification range: 16x to 2000x
• Magnification changer: 0.8x, 1.0x, 1.25x steps (standard); 2.0x step available
• Bertrand lens with 2x adjustable magnification
• Widefield eyepieces (10x, WPK) with 51° viewing angle
• Plan 5x, Plan 10x, Plan Fluor 20x objectives specified; Plan 50x, 100x (BD/DIC), 150x (BF/DIC) also available
• Standard, LWD, and XLWD objective options
-# Illumination System
• Light source: 100 W halogen lamp, 3200 K color temperature
• Imaging modes: Brightfield, darkfield, polarized light, DIC (Nomarski), epi-fluorescence
• Filter wheel with green, red, neutral density (low/medium/high), and iris selections
-# Stage and Motion
• Stepper motor-driven X-Y stage
• Stage travel: 100 × 100 mm
• Programmable raster scanning with continuous or step motion
• Manual 5-position rotating objective nosepiece
– Key Features
• Modular design for integration with diverse imaging systems
• Built-in Bertrand lens for phase contrast and illumination verification
• Multiple objective working distances accommodate thick or difficult specimens
• Five illumination modes in a single instrument
• Motorized stage for automated scanning applications
– Typical Applications
• Materials characterization and phase analysis
• Metallurgical failure analysis
• Grain structure and microstructure examination
• Failure analysis and quality control in industrial environments
– Compatibility & Integration
• Camera compatibility: Polaroid 4″ × 5″, Nikon Coolpix 995
• Optional digital camera adapter: 14 MP resolution, 1000 fps video recording
• Photo tube and CCTV camera port
• Image processing with brightness and contrast adjustment
• Leica Application Suite (LAS) software for image acquisition
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