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35mm f1.4, 50mm f1.2, and 17mm f1.4 from TTArtisan were called as APS-C trio. Titanium Grey is out of stock The black version is more preferential (The ...

Shop Target for 24x24 pillow covers you will love at great low prices. Choose from Same Day Delivery, Drive Up or Order Pickup plus free shipping on orders ...

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Nov 10, 2020 — It's the first phone to come with a 10x optical zoom lens, which lets you get much closer to your subject with little loss in quality. It ...

Jan 30, 2023 — What Is Single-Point Diamond Turning? Single-point diamond turning is a manufacturing process that's used to produce low to moderate volumes of ...

The early Fresnel lenses were cut and polished in glass – an expensive process, and one limited to a few large grooves. Figure 3 shows a Fresnel lens, ...

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by RP Crick · Cited by 116 — OPTICS AND REFRACTION · Optical definitions. Visual Acuity. Refraction · Emmetropia and ametropia (refractive error). The calculation of intraocular implant ...

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Brightness: The microscope objective determines the brightness of illumination, and rises with higher Numerical Aperture (NA) and falls with increasing ...

How does IRR fabric work? The IRR technology works through visual disruption, caused by the multi-layered infrared signatures for each colour within the print ...

Sep 27, 2019 — The light passes through the camera's shutter which in many cameras opens when you press the 'shutter release' button to let light in… and the ...