Auto-focus lenses often allow much better photo quality. There is no maximum focus distance for a fixed-focus lens, only a minimum. In other words, objects ...

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Mar 27, 2017 — A used X100 was a natural next step for a more portable setup when I scored a good deal on one. Even today, after using lens after lens and ...

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The Moment 82mm Variable Neutral Density 1.8 to 2.7 Filter is specifically designed to be mounted onto lenses that have 82mm front filter threads. It has the ...

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by HJ Fromm · 1975 · Cited by 1 — Download citation · Publisher Name: Springer, Berlin, Heidelberg · Print ISBN: 978-3-642-80968-2 · Online ISBN: 978-3-642-80966-8 · eBook Packages: Springer ...

Facility windows (exterior or interior) that are located within the NHZ of a Class 3b or Class 4 laser or laser system shall be provided with appropriate ...

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A pair of Infrared LED modules for use with custom night photography projects and NoIR-type camera modules!These modules emit 850nm infrared light allowing ...

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May 8, 2015 — To measure flatness (for this type of application at least) the proper way to get an accurate measurement is to undermount the probe so the ...

Feb 29, 2024 — description. Rigid. Plastics. Rigid plastics means moulded plastic. Plastic is a broad category of synthetic chemicals (called polymers) that ...

Nov 26, 2014 — A powerful laser beam (blue) can theoretically be polarized by sending it through a plasma where it interacts with a second, more powerful beam ...

Choice of the retarder depends on the polymer to be used, the cure system, the curing parameters needed (a steam vulcanizer- cured part could afford to lose ...