A polymerizable composition for an optical material containing two or more different monomers for an optical material, and a polymerization catalyst, in which at least one of the two or more different monomers for an optical material is an isocyanate compound containing no aromatic rings, a content of the polymerization catalyst with respect to a total of 100 parts by mass of the two or more different monomers for an optical material is from more than 0.05 parts by mass to 2.0 parts by mass, and a viscosity measured by a B-type viscometer at 25° C. and 60 rpm is from 10 mPa.Math.s to 1,000 mPa.Math.s.

A polymerizable composition for an optical material containing two or more different monomers for an optical material, and a polymerization catalyst, in which at least one of the two or more different monomers for an optical material is an isocyanate compound containing no aromatic rings, a content of the polymerization catalyst with respect to a total of 100 parts by mass of the two or more different monomers for an optical material is from more than 0.05 parts by mass to 2.0 parts by mass, and a viscosity measured by a B-type viscometer at 25° C. and 60 rpm is from 10 mPa.Math.s to 1,000 mPa.Math.s.

An object of the present invention is to provide a novel production method of a poly(ester)carbonate. The present invention relates to a production method of a poly(ester)carbonate, including subjecting a diol and a carbonate ester to a transesterification reaction in the presence of a catalyst, wherein the catalyst comprises aluminum or a compound thereof, and a phosphorus compound.

A compound represented by Formula (1) given below. (In the formula, R.sup.1 represents a hydrogen atom or a methyl group, X.sup.1 represents a C.sub.1 to 9 alkylene group, or a C.sub.3 to 6 alkylene group in which at least one hydrogen is replaced with an acryloxy group or a methacryloxy group, l.sup.1 represents an integer from 0 to 3, Q.sup.1 represents a hydrogen atom or Formula (2) given below (In the formula, R.sup.2 represents a hydrogen atom or a methyl group, X.sup.2 represents a C.sub.1 to 9 alkylene group, or a C.sub.3 to 6 alkylene group in which at least one hydrogen is replaced with an acryloxy group or a methacryloxy group, l.sup.2 represents an integer from 0 to 3, and * represents a bonding site), and Q.sup.2 represents a hydrogen atom or Formula (3) given below (In the formula, R.sup.3 represents a hydrogen atom or a methyl group, X.sup.3 represents a C.sub.1 to 9 alkylene group, or a C.sub.3 to 6 alkylene group in which at least one hydrogen is replaced with an acryloxy group or a methacryloxy group, l.sup.3 represents an integer from 0 to 3, and * represents a bonding site).)

A compound represented by Formula (1) given below. (In the formula, R.sup.1 represents a hydrogen atom or a methyl group, X.sup.1 represents a C.sub.1 to 9 alkylene group, or a C.sub.3 to 6 alkylene group in which at least one hydrogen is replaced with an acryloxy group or a methacryloxy group, l.sup.1 represents an integer from 0 to 3, Q.sup.1 represents a hydrogen atom or Formula (2) given below (In the formula, R.sup.2 represents a hydrogen atom or a methyl group, X.sup.2 represents a C.sub.1 to 9 alkylene group, or a C.sub.3 to 6 alkylene group in which at least one hydrogen is replaced with an acryloxy group or a methacryloxy group, l.sup.2 represents an integer from 0 to 3, and * represents a bonding site), and Q.sup.2 represents a hydrogen atom or Formula (3) given below (In the formula, R.sup.3 represents a hydrogen atom or a methyl group, X.sup.3 represents a C.sub.1 to 9 alkylene group, or a C.sub.3 to 6 alkylene group in which at least one hydrogen is replaced with an acryloxy group or a methacryloxy group, l.sup.3 represents an integer from 0 to 3, and * represents a bonding site).)

An optical image capturing lenses includes, in order from an object side to an image side, a front lens group, a stop, and a rear lens group. The front lens group includes, in order from the object side to the image side, at least a first lens element and a second lens element. The first lens element has a convex object-side surface and a concave image-side surface. The rear lens group includes, in order from the object side to the image side, at least a third lens element, a fourth lens element, a fifth lens element, and a sixth lens element. The sixth lens element is made of plastic material. The object-side surface and the image-side surface of the sixth lens are aspheric. The sixth lens element has at least one inflection point formed on at least one of the object-side surface and the image-side surface thereof.

The purpose of the present invention is to provide a high temperature/humidity resistant polycarbonate resin without using bisphenol A as a raw material. The present invention relates to a polycarbonate resin comprising the repeating units of formulas (1), (2) and (3), wherein the content of the repeating unit of formula (3) is 5 mol% to 50 mol%, and the refractive index is 1.570 to 1.600. {In formula (1), R.sub.1 and R.sub.2 each represent a hydrogen atom or a C.sub.1-10 hydrocarbon group.} {In formula (3), n ranges from 0 to 8, and the R symbols are each selected from C.sub.1-3 alkyl groups}. ##STR00001##

The purpose of the present invention is to provide a high temperature/humidity resistant polycarbonate resin without using bisphenol A as a raw material. The present invention relates to a polycarbonate resin comprising the repeating units of formulas (1), (2) and (3), wherein the content of the repeating unit of formula (3) is 5 mol% to 50 mol%, and the refractive index is 1.570 to 1.600. {In formula (1), R.sub.1 and R.sub.2 each represent a hydrogen atom or a C.sub.1-10 hydrocarbon group.} {In formula (3), n ranges from 0 to 8, and the R symbols are each selected from C.sub.1-3 alkyl groups}. ##STR00001##

An optical imaging lens includes a first, a second, a third, a fourth, a fifth, a sixth, a seventh and an eighth lens elements from an object side to an image side in order along an optical axis. The eight lens elements are the only lens elements having refracting power in the optical imaging lens. The optical imaging lens satisfies: (T1+T2+T3)/(G23+G34)≥2.700, wherein T1 is a thickness of the first lens element along the optical axis, T2 is a thickness of the second lens element along the optical axis, T3 is a thickness of the third lens element along the optical axis, G23 is an air gap from the second lens element to the third lens element along the optical axis, and G34 is an air gap from the third lens element to the fourth lens element along the optical axis.

Embodiments disclosed herein include eyewear that has one or more laminates applied to a lens body. In some embodiments, the lens body is constructed from a substantially rigid material having a curved shape. The lens body can have any desired curvature, including, for example, cylindrical, spherical or toroidal. A laminate can include a substantially flexible substrate and one or more functional layers or coatings applied to the substrate. In addition, one or more functional layers or coatings can be applied directly to the lens body. In certain embodiments, a bonding layer bonds a laminate to a convex and/or concave surface of the lens body. Examples of functional layers or coatings that can be applied to a laminate include anti-reflection coatings, interference stacks, hard coatings, flash mirrors, anti-static coatings, anti-fog coatings, other functional layers, or a combination of functional layers.