Sharp Cut Filters (L, Y, O, R) - HOYA Optics Europe

Sharp cut filters are longpass filters that absorb the wavelengths shorter than a specific wavelength, while transmitting the longer wavelengths, within a wavelength range of 350 nm to 800 nm.

Applications: Cameras, medical instruments

Item	Standard Value			Color specification (Standard Illuminants A)		Thickness	Refractive Index	Chemical properties		Thermal properties				Mechanical properties		Specific gravity
	λT (nm)	∆λ (nm)	TH (%)	x	y	mm	600nm	DW	DA	Tg	Ts	α -30/70	α 100/300	HK	FA	d
L37	370±5	<35	>85	0.448	0.408	2.5	1.5180	2	1	440	490	94	103	460	170	3.26
L38	380±5	<35	>85	0.449	0.408	2.5	1.560	2	1	480	535	79	86	490	130	2.96
L39	390±5	<40	>85	0.450	0.409	2.5	1.588	2	1	440	490	90	100	460	170	3.29
L42	420±5	<25	>85	0.452	0.412	2.5	1.533	2	1	550	600	92	105	540	130	2.59
Y44	440±5	<25	>85	0.464	0.428	2.5	1.531	1	2	570	600	99	107	540	130	2.59
Y48	480±5	<25	>85	0.498	0.468	2.5	1.532	3	1	560	625	94	105	540	130	2.67
Y50	500±5	<25	>85	0.515	0.471	2.5	1.530	2	1	560	620	96	108	540	130	2.68
Y52	520±5	<25	>85	0.536	0.459	2.5	1.531	2	1	560	620	96	108	540	130	2.68
O54	540±5	<25	>85	0.572	0.427	2.5	1.532	1	1	560	625	99	107	520	140	2.68
O56	560±5	<25	>85	0.610	0.389	2.5	1.530	1	1	560	625	93	104	520	140	2.68
O58	580±5	<25	>85	0.654	0.346	2.5	1.531	1	1	560	625	93	104	520	140	2.68
R60	600±5	<25	>85	0.686	0.314	2.5	1.530	1	2	560	620	93	103	520	140	2.69
R62	620±5	<25	>85	0.714	0.286	2.5	1.533	1	1	560	620	95	107	520	140	2.68
R64	640±5	<35	>85	0.726	0.274	2.5	1.532	1	1	555	620	94	106	520	140	2.68
R66	660±5	<35	>85	–	–	2.5	1.535	1	3	530	565	98	117	470	160	2.85
R70	700±10	<45	>85	–	–	2.5	1.546	1	3	525	575	98	115	470	160	2.86
R72	720±10	<45	>85	–	–	2.5	1.547	1	3	525	575	100	116	470	160	2.86

The listed data are standard values. As we are always improving our products, the data listed are subject to change without notice.