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Fresnel Technologies designs and manufactures molded plastics, precision optics, Fresnel lenses, PIR lenses, and infrared-transmitting materials.

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2MP image sensor for clear and detailed images; Automatic IR-cut switching for seamless transition between day and night mode; Infrared LEDs for enhanced night ...

The focal length setting on your lens affects the angle of view when you point your camera at a scene or subject. This is measured in millimetres. The focal ...

Shop for Spotlights in Stage Lighting & Stage Effects. Buy products such as Monoprice COB LED Ellipsoidal With Manual Zoom (3200k 13 Degree-35 Degree beam ...

by CW Ohlhorst · 1976 — was still decided to fly the Wratten 12 filter along with the Wratten 89B and 58 filters for ... The corrected relative film densities of both filters show a ...

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Optical coatings are thin films that are applied to optical components to control their reflectance, transmittance, or polarization properties.

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Candidates who have taken C1 Advanced will be confident and flexible language users and should be able to flourish in an academic environment.

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202066 — Hello, I want to create a cylindrical surface in the middle of my cylindrical channel. I tried to do this through "Imprint surface" and ...

... polarized light will be reflected and all of the p-polarized light will be refracted at each interface. After one interface the refracted beam will be ...

Understanding the optical characteristics of lenses—focal length, aperture, maximum aperture, depth of field, and lens quality.

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