Johoyd M5000 Inverted Metallurgical Microscope
Optical system: Infinity-corrected chromatic aberration correction optical system
Magnification: 50×~1000×
Eyepiece: 10× wide-field, high-eyepoint plan eyepiece, field number Φ22 mm
Objectives for brightfield configuration
Objective: Long working distance infinity-corrected semi-apochromatic metallurgical objective LMPlan FL 5×, N.A. 0.15, W.D. 21.0 mm
Objective: Long working distance infinity-corrected semi-apochromatic metallurgical objective LMPlan FL 10×, N.A. 0.3, W.D. 20.0 mm
Objective: Long working distance infinity-corrected semi-apochromatic metallurgical objective LMPlan FL 20×, N.A. 0.4, W.D. 15.0 mm
Objective: Long working distance infinity-corrected semi-apochromatic metallurgical objective LMPlan FL 50×, N.A. 0.75, W.D. 3.0 mm
Objective: Long working distance infinity-corrected semi-apochromatic metallurgical objective LMPlan FL 100×, N.A. 0.85, W.D. 3.0 mm (optional)
Objectives for brightfield/darkfield configuration
Objectives for brightfield/darkfield configuration: Infinity-corrected semi-apochromatic brightfield/darkfield metallurgical objective MPlanFL N 5XBD DIC, N.A. 0.15, W.D. 15.0 mm
Objectives for brightfield/darkfield configuration: Infinity-corrected semi-apochromatic brightfield/darkfield metallurgical objective MPlanFL N 10XBD DIC, N.A. 0.3, W.D. 8.4 mm
Objectives for brightfield/darkfield configuration: Infinity-corrected semi-apochromatic brightfield/darkfield metallurgical objective MPlanFL N 20XBD DIC, N.A. 0.45, W.D. 11.9 mm
Objectives for brightfield/darkfield configuration: Infinity-corrected semi-apochromatic brightfield/darkfield metallurgical objective MPlanFL N 50XBD, N.A. 0.75, W.D. 3.0 mm
Objectives for brightfield/darkfield configuration: Infinity-corrected semi-apochromatic brightfield/darkfield metallurgical objective MPlanFL N 100XBD, N.A. 0.9, W.D. 1.0 mm (optional)
Objectives for brightfield/darkfield configuration: Long working distance infinity-corrected apochromatic brightfield/darkfield metallurgical objective Meizs LMPlanAPO N 100XBD, N.A. 0.8, W.D. 3.0 mm (optional)
Observation tube: Hinged trinocular observation tube, 45° tilt, interpupillary distance adjustment 48–76 mm, two-position switching: 100% observation; 20% observation / 80% photomicrography
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