The measurement values are approximated to a formula (1) of aspherical surface, and the curved surface of the molded optical lens is specified as an aspherical surface.
The measurement values are approximated to a formula (1) of aspherical surface, and the curved surface of the optical lens is specified as an aspherical surface.
The back surface (3) is a parabolic aspherical surface of short focal length, and the front surface (4) is an aspherical correcting surface which minimises the aberrations in the image of the target as viewed by the user.
The image side surface of the third lens block is defined by an aspherical surface.
The third lens group (13) includes at least one aspherical surface.
The aspheric surface is comprised of a continuous aspheric surface from the apex of the implant to beveled surface (20).
The machined surface is an optical asphere.
The second lens comprises a convex aspheric surface having diffractive features and an opposing convex aspheric surface.
The optical element has a first aspheric surface at one surface thereof.
One or more elements may employ an aspheric surface.
The shape of the aspheric surface (9) is calculated.
The fifth group has at least one aspheric surface.
At least one of the anterior surface and the posterior surface is an aspheric surface.
The resin layer (21) has an aspherical first surface (S1) and an aspherical second surface (S2)in order from the object side.
At least one surface of the optics of the lens is an aspheric surface.
The shape of the aspheric surface section being determined by a shape of the partially reflective aspheric surface, the tilt angle and the predetermined angle.
At least one lens group has an aspheric surface.
The invention relates to a lens with at least one aspherical lens surface.
At least one lens group has an aspheric surface.
At least one lens group has an aspheric surface.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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