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2024-05-13 Optical Q&A
What is the difference between a flat concave lens and a double concave lens?
2024-05-13 Optical Q&A
What is the imaging pattern of a flat concave lens?
2024-05-13 Optical Q&A
Which side of the flat concave lens faces parallel light?
2024-05-13 Optical Q&A
What is the curvature radius of a flat concave lens?
2024-05-13 Optical Q&A
Is a biconvex lens focused or scattered?
2024-05-13 Optical Q&A
What is the principle of dual concave lens imaging?
2024-05-13 Optical Q&A
Is the crescent lens converging or diverging?
2024-05-13 Optical Q&A
What is the centering coefficient of a crescent lens?
2024-05-13 Optical Q&A
What is the focal length of a crescent lens?
2024-05-13 Optical Q&A
What should be noted in the polishing of magnesium fluoride crystals?
2024-05-08 Optical Q&A
What are the imaging characteristics of crescent lenses?
2024-05-08 Optical Q&A
What are the functions of a crescent lens?
2024-04-20 Optical Q&A
What is the transmittance of zinc selenide?
2024-04-20 Optical Q&A
What is the polishing process for zinc selenide?
2024-04-20 Optical Q&A
What is the price of zinc selenide?
2024-04-20 Optical Q&A
What is the density of zinc selenide?
2024-04-20 Optical Q&A
What are the optical processing techniques for zinc selenide crystals?
2024-04-20 Optical Q&A
Which is more expensive, zinc selenide or germanium?
2024-04-20 Optical Q&A
What is the difference between zinc selenide and hydrogen fluoride?
2024-04-20 Optical Q&A
What excipients are used for zinc selenide polishing?