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20221123 — There's no formula that will give you a direct answer to your question. Instead, what I would do is progressively increase the FOV and check that the image ...

To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.

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The difference between aluminium and white paper is that aluminium is glossy and acts as a mirror. Therewith is "shows" the darker objects in the surrounding which may appear as being darker.

Optik. Kohärent sind zwei Wellen, die bei gleicher Frequenz in derselben Ebene schwingen (z.B. Laser). 3. Akustik. Zwei Schallwellen, die von unterschiedlichen ...

The $200 glasses come with a certificate because they are tested. If you find some $25 pair that seems to have good reviews, buy a pair and put ...

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lapsun.com 20-180X Panorama USB 3.0 C-mount Lens Industrial Microscope Camera Sony IMX178 [LS-DV1028B] - 180X High Speed 3072 x 2048 :40fps USB 3.0 6MP ...

Nov 8, 2013 — ... use Opti-Coat Pro on applicances and it's amazing. i have coated ... Opti-Coat ... I also did the mirror in the shower but it wasn't so successful.

well, I wonder why aluminium foil is poor at reflecting the light in comparaison of matte white paint. Is it the same for an aluminium mirror ?

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Jan 2, 2024 — R1DS2P2 - Positive Concentric Circles & Crosshair Reticle, Ø1in, 0.5 mm Pitch, 10 µm Thick Lines, 20 Circles, UVFS.

Jun 22, 2023 — Theoretically, any lens focal length which deviates from the calculated diagonal of the film/sensor will create some form of optical distortion ...

OPTICS DEFINITIONS (LENSES AND MIRRORS) focal point-the point on the axis of a lens or mirror to which parallel rays of light converge or from which they ...

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He wrote, p46, "you shouldn't use aluminium foil because it's quite poor at reflecting light (...) A practical alternative (...) matte white paint, wich is 75-80 percent reflective"

Feb 20, 2005 — What are the types of optical design aberrations? · Chromatic aberration is the failure of a lens or lens system to bring all colors to a common ...

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The 50% and 10% points for MTF are now 36.8 and 68.6 line pairs/mm. This is the best that can be expected for an excellent lens covering 43mm diagonal, optimum ...

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