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2. Borescope - Wikipedia

   en.wikipedia.org/wiki/Borescope

   Schematic view of a rigid borescope Borescope in use, showing typical view through the device. A borescope (occasionally called a boroscope, though this spelling is nonstandard) is an optical instrument designed to assist visual inspection of narrow, difficult-to-reach cavities, consisting of a rigid or flexible tube with an eyepiece or display on one end, an objective lens or camera on the ...

3. Lens board - Wikipedia

   en.wikipedia.org/wiki/Lens_board

   Cambo lens board with Copal #1. A lens board or lensboard is a photographic part used for securing a lens to the front standard of a large format view camera. [1] The lens board itself is usually flat, square, and made of metal (most commonly aluminum), wood, or plastic. The lens board will have a hole of various diameters drilled dead center ...

4. Pinhole (optics) - Wikipedia

   en.wikipedia.org/wiki/Pinhole_(optics)

   A small pinhole can act as a lens, focusing light. This effect is used in pinhole cameras and camera obscura , and in solarigraphy . This effect is also used in pinhole occluders , which are used by ophthalmologists , orthoptists , and optometrists to test visual acuity .

5. Camera lens - Wikipedia

   en.wikipedia.org/wiki/Camera_lens

   Different kinds of camera lenses, including wide angle, telephoto and speciality. A camera lens (also known as photographic lens or photographic objective) is an optical lens or assembly of lenses (compound lens) used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically.

6. Automated optical inspection - Wikipedia

   en.wikipedia.org/wiki/Automated_optical_inspection

   An Automated Optical Inspection device. Automated optical inspection (AOI) is an automated visual inspection of printed circuit board (PCB) (or LCD, transistor) manufacture where a camera autonomously scans the device under test for both catastrophic failure (e.g. missing component) and quality defects (e.g. fillet size or shape or component skew).

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