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The EF 50mm lenses are a group of normal prime lenses made by Canon that share the same focal length. These lenses are based on the classic double-Gauss ...

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Soft Jaw Pliers. Pliers, Grips, Cutters and Shears. We stock all kinds of pliers, cutters, shears and grips from international renown brands like Knipex, ...

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F-theta Lens. The ability to switch to a larger or smaller marking field isn't a pricey add-on. From F63 to F420, giving you more options to achieve perfect ...

Many photographers have found the versatility of today's modern zoom lenses invaluable. Using a zoom lens allows you to quickly frame your shot and experiment ...

Edmund Lingan Assoc. Dean - College of Arts and Letters Professor of Theatre : Department of Theatre and Film : The University of Toledo.

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Mar 1, 2021 — Extremely short focal lengths can even warp an image around the periphery. Lenses with a longer focal length have a narrower field of view ...

Mar 24, 2022 — A magnifying glass is nothing more than a large convex lens held in a frame. It's possibly the simplest application of a lens in common use. The ...

For fiber-coupling purposes an effective fiber NAe2 defined at the 1/e2-level is more convenient than the nominal fiber NA defined by the refractive indices ...

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Strain Gauge Transducers ... Strain Gauge Transducers: Instrumentation Lab Equipment: The LabTek Strain Measurement Module comprises of Cantilever Beam bonded ...

Figure 1: The waist of a Gaussian beam is defined as the location where the irradiance is 1/e2 (13.5%) of its maximum value ... In the above equations, λ is the ...