product description Plano-convex lenses usually collect and concentrate light in imaging applications. The front and back surfaces of the plano-convex lens are asymmetrical, so the spherical aberration can be effectively reduced, especially in the application occasions where the distance between the object and the image is unequal. The best application is to place the object at infinity (that is, as parallel light incidence) and image it at the focal plane. At this time, the conjugate ratio of object to image (i.e. object distance/image distance) is infinite. The convex surface of the lens should be placed in the object direction. Various specifications of K9 plano-convex lens are available from stock, and Zemax data of a full range of products can be provided. There are five types of coating on H-K9 plano-convex lens, namely: ordinary single-layer MgF₂, uncoated, multilayer antireflection films A, B and C.
n This series of lenses is coated with a single-layer MgF2 antireflection coating to achieve surface reflectance as low as 2.5% in the 400-700nm range.
n The single-layer MgF2 AR coating of this series has no requirements for damage threshold.
• The lens is pre-installed in a metal frame with an outer diameter of φ30mm, without external threads;
• The eccentricity of the lens has been adjusted and fixed by dispensing, eccentric C≤0.04mm;
• Outer frame diameter φ30mm, can be used with coaxial systems GCT-020112, GCT-020113, GCT-020114, GCT-030130, GCT-080315;
• Lens frame thickness is available in 10mm, 15mm, 20mm versions.
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