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The OCT will scan each of your eyes, while you fix your gaze on a green target. As the laser scans the retina in each eye, you may notice a red line moving ...

Nov 9, 2020 — How to calculate the diameter of a laser beam? ... The beam diameter is defined as the distance between the points opposite to the diameter of the ...

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Chicago Canvas & Supply’s 20 oz. Sound Absorber material is ideal for situations where you are trying to mask or block sound. It is a thicker fabric than Duvetyne or Commando Cloth making it ideal for sturdier applications. Sound Absorbing material offers stage designers, musicians and artists a light and sound absorbent, double napped material to work with. This material is often used for Sound Absorbing Curtains. Sound Absorber is 100% cotton, fire retardant and price by the running yard.

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Horizontal (mm). Vertical (mm). Image circle (mm). 2. What do you want to calculate? ? ×. Focal length. Working distance. Field of View (FoV). Working ...

Dec 10, 2023 — A 50mm camera lens is a prime lens, meaning it has a fixed focal length and, unlike a zoom lens, does not zoom in or out. This encourages ...

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Mar 22, 2022 — Anions are polarised · The polarisability of the anion depends of its ionic radius · The larger the ionic radius the more easily it will be ...

Contents other than in English and Japanese are machine translated for your reference purposes only.The accuracy of the machine translation cannot be guaranteed.Please use this site with the understanding that automatic translation is not 100% accurate.

The transmission spectrum chart indicates that from 250nm to 2800nm, fused silica glass has very high transmission rates.

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99% reflectance when used with Ti:Sapphire, Ytterbium (Yb), Neodymium (Nd), Thulium (Tm), or Holmium (Ho) lasers. The Dual-Band Dielectric Mirror has a ...

The depth of focus (DOF) or the focal depth is the range of distances for which the specimen (object) is imaged with an acceptable sharpness on the image plane. DOF is larger as the opening (aperture) angle of the incident probe is smaller but is smaller as the magnification of the image is higher. The opening angle of the incident electron probe of the SEM is about 100 times smaller than that of the optical microscope. Thus, the DOF of the SEM is about 100 times larger than that of the optical microscope. Fig. 1 schematically shows the change in DOF when the diameter of the objective lens aperture is changed. Fig. 2 shows a comparison of SEM images taken at the different DOFs determined by the different objective lens aperture sizes.

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AR coatings do exactly what its name suggests — it reduces the amount of light that reflects off your lenses. Without an AR coating, most lenses reflect about 8 ...

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Multi-Lens LED Magnifiers · H-8789 · - +. Add. H-8789.

Detail at the center of an image will virtually always have the highest MTF, and positions farther from the center will often have progressively lower MTF ...

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