Plano-Convex Lens is widely use in optical display systems, projection optics systems, imagining optical systems, and laser measurement systems. It is best use where conjugate point-- object distance, S or image distance S' is more than five times of the other. This lens is almost the most super form for both collimating a point source and focusing collimated light;Plano-Concave Lens has a negative focal length and is typically used to cause a collimated beam to diverge as in a Galilean type beam expander or Telescope. Because the spherical aberration of the Plano-Concave is negative, it can be used to balance the aberration of other lenses.This lens is widely use in optical display systems, projection optics systems, imaging and laser measureemnt systerms;Double-Convex Lens, also named Bi-Convex Lens, is most suitable where the object and image are on opposite sides of the lens and the ratio of the image and object (conjugate ratio) distances is between 0.2 to 5. It is used in beam expanders,. Projection optics systems, optical viewers etc;Double-Concave Lens, also named Bi-Concave Lens, is used to divergent light. The Bi-Concave is best used when the input beam is converging. It is used in beam expanders,. Projection optics systems, optical viewers and optical charater readers etc;Meniscus Lens can increase the NA of the system while only adding slightly to the total spherical aberrations. The Negative Meniscus Lens is used to increase the focal length of another lens while maintaining the angular resolution of the optical assembly. This lens shape is best used when one conjugate is relatively far from the lens.We supply optical spherical lenses,include plano-convex spherical lens,plano-concave spherical lens,bi-convex spherical lens,bi-concave spherical lens,meniscus spherical lens,special spherical lens etc..Specification of our plano-convex spherical lenses as follow:*Material:BK7 or other materials*Focal length:+/-1%*Center thickness tolerance:+/-0.01mm*Centration:1 arc minutes*Surface Figure:lambda/2 at 633nm on plano side*Surface quality:40/20 stratch/dig*Clear Apenture>90%*Chamfer Protective:0.25mm at 45 degree typical*Coating:optional
Rod Lenses are highly polished small diameter rods made of optically transparent homogeneous materials. A carefully controlled manufacturing process produces rods (or fibers) with precise diameters an
Wedge prism is an optical element having plane-inclined surfaces, usually the faces are inclined toward one another at very small angles. Wedges divert light toward their thicker portions.Wedge prism
A lens cover or lens cap provides protection from scratches and minor collisions for camera and camcorder lenses. Lens covers come standard with most cameras and lenses. Some mobile camera phones incl
Meniscus Lens can increase the NA of the system while only adding slightly to the total spherical aberrations. The Negative Meniscus Lens is used to increase the focal length of another lens while mai
Nd:YVO4 crystal is one of the most excellent laser host materials, it is suitable for diode laser-pumped solid state laser. The crystal has these main features: low lasing threshold, high slope effici
In photography, a lens hood or lens shade is a device used on the end of a lens to block the sun or other light source in order to prevent glare and lens flare.The geometry of the lens hood can vary f
Adapter ring is used between camera(or projector) and lenses,it could mount kinds of conversion lenses,such as telephot lens,wide angle lens,fisheye lens,and so on.Adapter rings are labeled from
The dome lens/hemisphere dome we manufactured be used to protect the lens of underwater camera,which could resist the pressure of water,and give a best view field to catch picture.Specification of hem
Dove Prism is ideal for image rotation. Dove prisms create an image inversion in a beam input parallel to the base.VY Optics Photoelectric Technology Co.,Ltd. can supply each kind size and each kind d
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