Fein Optic – Mi50 Inverted Metallurgical Brightfield/Darkfield DIC Microscope

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The Fein Optic Mi50 inverted metallurgical microscope provides brightfield, darkfield, polarization and DIC. The large triple-layer mechanical stage has a working surface for placing large metal parts that need examination at high magnification. ECO friendly controls provide the ability to extend bulb life and save energy. LM Plan Achromat Brightfield / Darkfield metallurgical infinity corrected objectives provide a high numerical aperture for optical clarity and resolution.


Optical System Infinity Color Corrected Achromatic Optical System
Viewing Head 45° Inclined siedentopf trinocular viewing head, interpupillary distance adjustable from 50mm – 75mm, diopter adjustable. Beam splitter ratio = 100:0, 0:100.
Eyepieces High eyepoint widefield plan eyepieces PL 10x/22mm, diopter adjustable. Reticle retaining ring for 26mm diameter reticle.
Objective Lenses Infinity Corrected LWD BF/DF MET Plan Achromat 5x, NA 0.15, WD = 9mm.
Infinity Corrected LWD BF/DF MET Plan Achromat 10x, NA 0.30, WD = 9mm.
Infinity Corrected LWD BF/DF MET Plan Achromat 20x, NA 0.45, WD = 3.4mm.
Infinity Corrected LWD BF/DF MET Plan Achromat 50x, NA 0.55, WD = 7.5mm.
Infinity Corrected LWD BF/DF MET Plan Achromat 100x, NA 0.80, WD = 2.1mm.
Nosepiece Inward facing quintuple BF/DF nosepiece with DIC slot. M26 threaded nosepiece.
Frame Reflected frame with brightfield / darkfield switch. Variable field diaphragm and aperture diaphragm, both center adjustable. Slots for filters and polarizing kit. Light intensity indicator and magnification setting indicator.
Focus Adjustment Low-position coaxial focusing system, coarse range 9mm (6.5mm up, 2.5mm down), fine precision of 0.002mm. Upper limit and tension adjustment.
Stage Triple-layer rackless stage 240mm W x 250mm L, moving range of 50mm x 50mm with low-position ergonomic X-Y controls. Metal stage plate with stage clips.
Illumination External power adapter, input 100~240V, output 15V, 13.4A, light intensity adjustable. 12v, 100w halogen illuminator. CE and UL certified. Daylight balancing filter for illuminator.
Polarization, DIC, Filters Polarizer, 360° rotatable analyzer, DIC slider, daylight balancing filter for illuminator.
C-Mount Adapters Focusing 0.35x, focusing 0.5x, focusing 0.65x, 1.0x.
Reticles Variety of 26mm diameter reticles available including grid, ruler, cross-line, etc. Metric or inches.
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