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Field of view is how much of your specimen or object you will be able to see through the microscope. At 40x magnification you will be able to see 5mm. At 100x ...

ATOMIC EXPLANATION OF POLARIZING FILTERS. Polarizing filters have a polarization axis that acts as a slit. This slit passes electromagnetic waves (often visible ...

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Mar 9, 2024 — Base: The base provides stability to the microscope and also houses the illuminators. Arm: Connecting the base to the head and the eyepiece tube ...

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Microscope objective lenses are a classic example of optics in our lives. The function of the microscope is to enlarge objects our eyes cannot see. Unlike telescopes which enlarge far away objects, the sample observed by the microscope is close to the lens. Microscopes also correct aberration, which otherwise would lead to blurry images. Achromatic (doublet) lenses only correct for aberration of two wavelengths of light whereas apochromatic (triplet) lenses correct for 3 or more wavelengths.

One of the factors that go into designing an objective lens is the magnification. The colored bands on the outside of the microscope indicate the magnification of the lens. The standard magnification bands are as follows: red band = 5x, yellow = 10x, green = 20x, blue = 40-60x, white = 100x. Thus, if a lens has a green and yellow band, the magnification would be 30x.

Sep 28, 2023 — However you exercise, just exercise. Just showing up is 90% of the battle! Congratulations! You've done the majority of the work already! Eddie ...

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Another factor to consider in designing an objective lens is the working distance (WD). This is defined to be the distance from the front of the objective to the sample when in sharp focus. Working distance is related to the numerical aperture (NA) which is calculated by the formula NA = n * sin(θa), where n is the index of refraction. When in air, n = 1. To obtain a greater refractive index and increase the numerical aperture, sometimes the objective is immersed in a liquid such as oil or water. While aberration, magnification, working distance, and numerical aperture are not the only variables to consider when designing a microscope, they are key characteristics that one should look for.

Aug 9, 2023 — If the 55mm lens and the 600mm lens are both focussed at infinity, then the diffracted light has to travel the focal length from the aperture to ...

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Sep 25, 2024 — What are Free-space Optical Communications? FSO are communication systems in which the signal is propagating through the air or vacuum. One of ...

The SV207 series are classic 2-group 4-element Plossl eyepieces that offer higher performance than the majority of eyepieces supplied with telescopes.

Tab, 20 – 17 AWG Wire Size, .5 – 1 mm² Wire Size, 1021 – 2048 CMA Wire Size, Mating Tab Width 2.8 mm [.11 in], FASTIN-FASTON 110, Quick Disconnects · Documents ...