'Projector lens' diaporamas de présentation

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Transmission Electron Microscope

Transmission Electron Microscope. Basic premise of a TEM is to project a magnified image of the specimen onto a fluorescent screen where it can be viewed by the operator. The image itself is the result of beam electrons that are scattered by the specimen vs. those that are not.

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Improvements of Petzval Field Curvature of HDTV Projector Lens Optics

Improvements of Petzval Field Curvature of HDTV Projector Lens Optics. 1 Cheng-Mu Tsai and 2 Yi-Chin Fang 1 Dept. of Computer and Communication, Kun Shan University, No.949, Da Wan Rd., Yung-Kang Dist., Tainan City 710, Taiwan. E-mail: jmutsai@gmail.com

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OPTICAL INSTRUMENT

Done By : Saeed Zaid / Osama Zaid / Abdulla Khamis Class : 12-03. OPTICAL INSTRUMENT . Magnifier. Magnifier A convex lens that is used to produce a magnified image of an object. The lens is usually mounted in a frame with a handle (see image). Telescopes. Elbow telescope

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