深圳拓天仪器设备有限公司
深圳拓天仪器设备有限公司
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The Trinocular port allows for use with one of our excellent NEW OptixCam Summit 1.3, 3.0, 5.0, or 9.0 megapixel microscope cameras.
Polarizing microscopes, including the J-221P, are compound microscopes commonly referred to as petrographic microscopes because they are often used to investigate rocks and minerals and other ore analysis. They can be useful for specialized medical and industrial applications, such as identifying crystals suspended in liquid, identifying minerals in core samples and detecting defects in semiconductors or finding stress points in metal, glass and other materials.
The J-221P polarizing microscope employs two polarizing filters in the light path. One is called the polarizer and the other an analyzer. By "crossing" the filters, one can examine birefringent specimens such as calcite and quartz.
The polarizing microscope is especially useful in the study of birefringent materials and is ideally used for chemical microscopy and optical mineralogy. Birefringence is also known as double refraction, or when light traveling through a substance （such as calcite） splits into two beams and travels in two different speeds.
The polarizing microscope can be used in a variety of scientific studies, in addition to ore analysis. These include geology, mineralogy, toxicology, chemistry, pharmaceuticals, medicine, forensics, the pulp and paper industry, studying atmospheric pollution, asbestos fiber evaluation and assessing ceramics.
Because these microscopes work with polarized light, all lenses in the microscope are "strain free."
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Microscope Specifications:
| Viewing Head | Trinocular （port for video, digital, SLR camera attachment and remote viewing） head with a 55mm – 75mm Interpupillary distance range; Integrated Bertrand lens |
| Eyepieces | Five 10x DIN WF10x eyepieces. Two standard eyepieces and three eyepieces with built in reticles, （Grid, Crosshair and Linear） |
| Nosepiece | Forward-facing Quadruple, click-stop （detent） |
| Objectives | Four Plan Strain-Free Objectives: 10x/0.25, 25x/0.40, 40x/0.65（spring）, and 63x/0.85（spring） |
| Mechanical Stage | Mechanical stage with XY control movement: Movement range 30mm x 40mm; 360 graduation stage inscriptions for precise positioning and measurement of specimen Fully rotatable stage is 160mm in diameter with ball bearing movement and stage specimen positioning mechanism. |
| Focusing Knobs | Precision coaxial controls provide fine and coarse focusing. Focus range is 30mm, fine focusing scale value is 0.002mm. Adjustment knob for objective centering |
| Condenser | Abbe Condenser 1.30 N.A with iris, positioning adjustments and swing out filter holder controllable by rack & pinion movement |
| Illumination | Variable illumination control utilizing 110V 6v30W halogen transmitted lighting system |
| Accessories | Color equipment compensator accessories include the following: gypsum, mica （1/4） sample, quartz wedge Dust cover, spare bulb, blue filter, 0.01 measure rule, molded Styrofoam shipping container |
| Warranty | Manufacturer's Limited Lifetime Warranty. |
| Dimensions | H: 46.5mm （18.25"） W: 20.5 mm （8.0"） D: 26 mm （10.25"） |
| Shipping Weight | 23 lbs. |
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