1000 Hours Weatherability IR Cut Filter ZY53-Zeyuan Optics|Focusing on optical glass processing

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1000 Hours Weatherability IR Cut Filter ZY53

Focus on Colored Glass Melting and Optical Filters Manufacturing for Over 30 years'.

Keywords：

Glass products

Category：

IR Cut-off Blue Glass ZY Series

Email：

zyoptics@zygx.cn

Phone：

+86-13722872933

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Product description

Our product Optical Filter Glass ZY53 Infrared cut-off filters, sometimes called IR filters or heat-absorbing filters, are designed to reflect or block near-infrared wavelengths while passing visible light. They are often used in devices with bright incandescent light bulbs (such as slide and overhead projectors) to prevent unwanted heating. There are also filters which are used in solid state (CCD or CMOS) video cameras to block IR due to the high sensitivity of many camera sensors to near-infrared light. These filters typically have a blue hue to them as they also sometimes block some of the light from the longer red wavelengths.

Main Application: CCTV Lens, Camera Lens, Optical Instruments.

Optical Filter ZY53 Characteristics
Optical Filter ZY53 Characteristics
Type	ZY53
Type	ZY53
Refractive index Nd	1.517
Conversion temperature Tg [℃]	460
Softening temperature Ts [℃]	510
Water resistance [level]	1
Acid resistance[level]	4
Weatherability 85℃/85% RH	1000 hr
Thickness	T=0.3mm
Central Wavelength 50%	642+/-5nm
400nm	≥87.5%
500nm	≥89.5%
600nm	≥69%
700nm	≤29%
1100nm	≤28%

λ(nm)=Wavelength
T%=Transmittance
λ(nm)	T%	λ(nm)	T%	λ(nm)	T%	λ(nm)	T%	λ(nm)	T%	λ(nm)	T%
1100	26.6	945	13.7	790	11.5	635	53.9	480	91	325	10.3
1095	26.2	940	13.4	785	11.8	630	56.4	475	91	320	3.9
1090	25.7	935	13.1	780	12.2	625	58.9	470	91	315	1.1
1085	25.2	930	12.9	775	12.6	620	61.4	465	91	310	0.3
1080	24.7	925	12.6	770	13	615	63.8	460	90.9	305	0.2
1075	24.2	920	12.3	765	13.5	610	66.2	455	90.9	300	0.1
1070	23.8	915	12.1	760	14.1	605	68.5	450	90.9	295	0.1
1065	23.3	910	11.9	755	14.6	600	70.7	445	90.8	290	0.1
1060	22.8	905	11.7	750	15.3	595	72.8	440	90.8	285	0.1
1055	22.4	900	11.4	745	16	590	74.9	435	90.7	280	0.1
1050	21.9	895	11.2	740	16.8	585	76.8	430	90.7	275	0.1
1045	21.5	890	11.1	735	17.7	580	78.5	425	90.6	270	0.1
1040	21	885	10.9	730	18.6	575	80.2	420	90.6	265	0.1
1035	20.6	880	10.8	725	19.6	570	81.6	415	90.5	260	0.1
1030	20.2	875	10.6	720	20.7	565	83	410	90.3	255	0.1
1025	19.7	870	10.5	715	21.9	560	84.2	405	90.1	250	0.1
1020	19.3	865	10.4	710	23.2	555	85.3	400	89.9	245	0.1
1015	18.9	860	10.3	705	24.6	550	86.2	395	89.6	240	0.1
1010	18.5	855	10.3	700	26.1	545	87	390	89.1	235	0.1
1005	18.1	850	10.2	695	27.7	540	87.8	385	88.5	230	0.1
1000	17.7	845	10.2	690	29.4	535	88.4	380	87.6	225	0.1
995	17.3	840	10.2	685	31.2	530	88.8	375	86.3	220	0.1
990	16.9	835	10.2	680	33.2	525	89.1	370	84.5	215	0.1
985	16.5	830	10.2	675	35.2	520	89.2	365	81.9	210	0.2
980	16.1	825	10.3	670	37.3	515	89.4	360	77.9	205	0.2
975	15.8	820	10.4	665	39.4	510	89.6	355	73	200	0.3
970	15.4	815	10.5	660	41.6	505	90.7	350	66
965	15	810	10.6	655	44	500	90.7	345	56.8
960	14.7	805	10.8	650	46.4	495	90.8	340	45.6
955	14.4	800	11	645	48.9	490	90.9	335	33
950	14.1	795	11.2	640	51.4	485	90.9	330	20.6

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