acrylic lens 丙烯酸有机玻璃透镜 相似单词 planoconcave 平凹的 lens n. [C] 1.透镜;镜片 2.(照相机等的)镜头 3(眼球的)晶体 v. [T] 1.给...摄影(尤指摄制影片) di lens 介质透镜 flash o lens 闪光透镜 lens vesicle 【医】 晶状体泡 fish lens 鱼眼透镜 fluorite lens 萤石棱镜 four...
Concave-convex Lens: Can we see virtual image? Virtual images can be seen directly without using a screenfor projection. ... The virtual image produced by a plane mirror. The virtual image produced by a convex lens when the source is closer to the lens than the focal length, f. Note th...
Small Dome Optical Lens, Half Ball deep-sea submersibles Protective dome lens $15.00 - $45.00 Min. order: 10 pieces H-K9L Biconvex High Precision Total Station Condenser Optical Lens $9.99 - $40.00 Min. order: 10 pieces H-K9L Uncoated Biconcave Optical Scope Lens, Double concave lens for ...
Plano concave lens Diameter Tolerance +0.00/-0.05mm Focal Length Tolerance ±2% Center Thickness Tolerance ±0.2mm Centering <3 arc min Surface Quality 40-20 Clear Aperture >90% Material optical glass/PMMA Type Optical Lenses Origin Shenyang, China Packaging and delivery Selling Units: Single item...
Plano-Concave Cylindrical Lens Concave Mirror Optical Glass Lens US$0.10-100.00 1 Piece (MOQ) Product Details Customization: Available Usage: Lighting, Medical, Optical, Photography Type: Cylindrical Glass LensContact Supplier Chat Still deciding? Get samples of US$ 0/Piece...
Plano-concave glass lenses are manufactured with one concave surface and one plane surface. These lenses have negative focal lengths. Plano-concave lenses diverge incident light that is collimated. They form virtual images which are seen through the lens. They are often used to increase focal ...
A plano-concave cylindrical lens like a plano-concave spherical lens, but the plano-concave cylindrical lens on only one axis. These cylindrical lenses are used for applications that require the shaping of a point light source in a one-dimensional direction. The cylindrical lens is used to conve...
A formula is shown in description, wherein the R represents the concave surface radius of the designated plano-concave lens, the n represents the conversion rate of an optical materials of the plano-concave lens, the L represents a designated optimum object distance, the B represents the ...
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Plano-concave lens Material N-BK7 Coating Customer's Requirement Focal length Csustom Clear Aperture > 90% Centration <3 arc minutes Flatness L/4 Surface quality 80/50 Bevel 0.25 mm*45° Design Wavelength 546.1nm or as request. Packaging and delivery Selling Units: Single item Single package ...