TAOZUYING Industry Standard Compound Microscope Dry Dark Field Condenser Optical Biological Microscopio Accessories Darkfield Condenser

Precio y disponibilidad de TAOZUYING Industry Standard Compound Microscope Dry Dark Field Condenser Optical Biological Microscopio Accessories Darkfield Condenser

$ 1.856.210,45

$ 2.183.777

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Industry Standard Compound Microscope Dry Dark Field Condenser Optical Biological Microscopio Accessories Darkfield CondenserSpecial dark field microscope accessory deviceThis Dry Dark field condenser is suitable for objective with magnification under 100x, such as 10x, 40xDark field condenser achieve dark field observation, widely used to study Brownian motion of solute particles, protozoa, bacteria flagella and pseudopodia movement, body fluid spirochetes, catheter-shaped, or various sports crystalline particles. A drop of blood darkfield observation / observation pallidum / intracellular movement of particles.Features:1. Metal mirror body, excellent quality2. Optical glass lens, good imaging 3. Improve specimen observation resolution4. The bright field condenser can't see the specimen, it can be seen with the dark field condenserDark field condenser structure:Use a central light-shielding plate and a dark-field condenser, a parabolic condenser is commonly used, so that the central beam of the light source is blocked and cannot enter the objective lens through the specimen from top to bottom. The light beam changes its path and irradiates the observed specimen obliquely. When the specimen encounters light, it reflects or scatters, and the scattered light enters the objective lens, so the entire field of view is dark. What is observed in the dark field is the diffracted light image of the detected object, not the object itself, so only the existence and movement of the object can be seen, and the fine structure of the object cannot be distinguished. However, when the detected object is non-uniform and greater than 1/2 wavelength, the diffracted light rays of all levels enter the objective lens at the same time, and the structure of the object can be observed to a certain extent.Principle of dark field lens imaging:In daily life: the particles of dust flying indoors are not easy to be seen, but in

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