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营销cookie用于对网站上的访客进行追踪。其目的是为了显示对个人用户来说相关及有吸引力的广告，因此，对于发布人和第三方广告商来说更为宝贵。
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  ytidb::LAST_RESULT_ENTRY_KEYUsed to track user’s interaction with embedded content.
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  YtIdbMeta#databasesUsed to track user’s interaction with embedded content.
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  yt-remote-cast-availableStores the user's video player preferences using embedded YouTube video
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  yt-remote-connected-devicesStores the user's video player preferences using embedded YouTube video
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  yt-remote-device-idStores the user's video player preferences using embedded YouTube video
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Cookie 声明由Cookiebot最后更新于 3/15/25

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Dia. (mm)	Dimensions (mm)	Optical Density OD (Average)	Glass/Filter Number	Thickness (mm)	Transmission (%)	庫存號碼	價格	Buy

25.00 25.00	- -	4.84 4.84	SCHOTT NG1 SCHOTT NG1	1.00 1.00	0.001 0.001	#14-075	1,540 NT$1,540 Qty 11+ NT$1,330 Request Quote	5-7 Days ×
25.00 25.00	- -	>5 >5	SCHOTT NG1 SCHOTT NG1	2.00 2.00	<0.001 <0.001	#14-077	1,540 NT$1,540 Qty 11+ NT$1,330 Request Quote	5-7 Days ×
25.00 25.00	- -	>5 >5	SCHOTT NG1 SCHOTT NG1	3.00 3.00	<0.001 <0.001	#14-079	1,540 NT$1,540 Qty 11+ NT$1,330 Request Quote	5-7 Days ×
- -	50.0 x 50.0 50.0 x 50.0	4.84 4.84	SCHOTT NG1 SCHOTT NG1	1.00 1.00	0.001 0.001	#14-074	3,395 NT$3,395 Qty 11+ NT$2,975 Request Quote	5-7 Days ×
- -	50.0 x 50.0 50.0 x 50.0	>5 >5	SCHOTT NG1 SCHOTT NG1	2.00 2.00	<0.001 <0.001	#14-076	3,395 NT$3,395 Qty 11+ NT$2,975 Request Quote	5-7 Days ×
- -	50.0 x 50.0 50.0 x 50.0	>5 >5	SCHOTT NG1 SCHOTT NG1	3.00 3.00	<0.001 <0.001	#14-078	3,395 NT$3,395 Qty 11+ NT$2,975 Request Quote	聯絡我們 ×
25.00 25.00	- -	0.99 0.99	SCHOTT NG3 SCHOTT NG3	1.00 1.00	10 10	#14-081	1,540 NT$1,540 Qty 11+ NT$1,330 Request Quote	5-7 Days ×
25.00 25.00	- -	1.95 1.95	SCHOTT NG3 SCHOTT NG3	2.00 2.00	1.1 1.1	#14-083	1,540 NT$1,540 Qty 11+ NT$1,330 Request Quote	5-7 Days ×
25.00 25.00	- -	2.91 2.91	SCHOTT NG3 SCHOTT NG3	3.00 3.00	0.12 0.12	#14-085	1,540 NT$1,540 Qty 11+ NT$1,330 Request Quote	5-7 Days ×
- -	50.0 x 50.0 50.0 x 50.0	0.99 0.99	SCHOTT NG3 SCHOTT NG3	1.00 1.00	10 10	#14-080	3,395 NT$3,395 Qty 11+ NT$2,975 Request Quote	5-7 Days ×
- -	50.0 x 50.0 50.0 x 50.0	1.95 1.95	SCHOTT NG3 SCHOTT NG3	2.00 2.00	1.1 1.1	#14-082	3,395 NT$3,395 Qty 11+ NT$2,975 Request Quote	5-7 Days ×
- -	50.0 x 50.0 50.0 x 50.0	2.91 2.91	SCHOTT NG3 SCHOTT NG3	3.00 3.00	0.12 0.12	#14-084	3,395 NT$3,395 Qty 11+ NT$2,975 Request Quote	5-7 Days ×
25.00 25.00	- -	0.55 0.55	SCHOTT NG4 SCHOTT NG4	1.00 1.00	28 28	#14-087	1,540 NT$1,540 Qty 11+ NT$1,330 Request Quote	5-7 Days ×
25.00 25.00	- -	1.06 1.06	SCHOTT NG4 SCHOTT NG4	2.00 2.00	8.6 8.6	#14-089	1,540 NT$1,540 Qty 11+ NT$1,330 Request Quote	5-7 Days ×
25.00 25.00	- -	1.58 1.58	SCHOTT NG4 SCHOTT NG4	3.00 3.00	2.6 2.6	#14-091	1,540 NT$1,540 Qty 11+ NT$1,330 Request Quote	5-7 Days ×
- -	50.0 x 50.0 50.0 x 50.0	0.55 0.55	SCHOTT NG4 SCHOTT NG4	1.00 1.00	28 28	#14-086	3,395 NT$3,395 Qty 11+ NT$2,975 Request Quote	5-7 Days ×
- -	50.0 x 50.0 50.0 x 50.0	1.06 1.06	SCHOTT NG4 SCHOTT NG4	2.00 2.00	8.6 8.6	#14-088	3,395 NT$3,395 Qty 11+ NT$2,975 Request Quote	5-7 Days ×
- -	50.0 x 50.0 50.0 x 50.0	1.58 1.58	SCHOTT NG4 SCHOTT NG4	3.00 3.00	2.6 2.6	#14-090	3,395 NT$3,395 Qty 11+ NT$2,975 Request Quote	5-7 Days ×
25.00 25.00	- -	0.28 0.28	SCHOTT NG5 SCHOTT NG5	1.00 1.00	53 53	#14-093	1,540 NT$1,540 Qty 11+ NT$1,330 Request Quote	5-7 Days ×
25.00 25.00	- -	0.51 0.51	SCHOTT NG5 SCHOTT NG5	2.00 2.00	31 31	#14-095	1,540 NT$1,540 Qty 11+ NT$1,330 Request Quote	5-7 Days ×
25.00 25.00	- -	0.75 0.75	SCHOTT NG5 SCHOTT NG5	3.00 3.00	18 18	#14-097	1,540 NT$1,540 Qty 11+ NT$1,330 Request Quote	5-7 Days ×
- -	50.0 x 50.0 50.0 x 50.0	0.28 0.28	SCHOTT NG5 SCHOTT NG5	1.00 1.00	53 53	#14-092	3,395 NT$3,395 Qty 11+ NT$2,975 Request Quote	5-7 Days ×
- -	50.0 x 50.0 50.0 x 50.0	0.51 0.51	SCHOTT NG5 SCHOTT NG5	2.00 2.00	31 31	#14-094	3,395 NT$3,395 Qty 11+ NT$2,975 Request Quote	5-7 Days ×
- -	50.0 x 50.0 50.0 x 50.0	0.75 0.75	SCHOTT NG5 SCHOTT NG5	3.00 3.00	18 18	#14-096	3,395 NT$3,395 Qty 11+ NT$2,975 Request Quote	5-7 Days ×
25.00 25.00	- -	1.42 1.42	SCHOTT NG9 SCHOTT NG9	1.00 1.00	3.8 3.8	#14-099	1,540 NT$1,540 Qty 11+ NT$1,330 Request Quote	5-7 Days ×
25.00 25.00	- -	2.8 2.8	SCHOTT NG9 SCHOTT NG9	2.00 2.00	0.15 0.15	#14-101	1,540 NT$1,540 Qty 11+ NT$1,330 Request Quote	5-7 Days ×
25.00 25.00	- -	4.18 4.18	SCHOTT NG9 SCHOTT NG9	3.00 3.00	0.007 0.007	#14-103	1,540 NT$1,540 Qty 11+ NT$1,330 Request Quote	5-7 Days ×
- -	50.0 x 50.0 50.0 x 50.0	1.42 1.42	SCHOTT NG9 SCHOTT NG9	1.00 1.00	3.8 3.8	#14-098	3,395 NT$3,395 Qty 11+ NT$3,010 Request Quote	5-7 Days ×
- -	50.0 x 50.0 50.0 x 50.0	2.8 2.8	SCHOTT NG9 SCHOTT NG9	2.00 2.00	0.15 0.15	#14-100	3,395 NT$3,395 Qty 11+ NT$2,975 Request Quote	5-7 Days ×
- -	50.0 x 50.0 50.0 x 50.0	4.18 4.18	SCHOTT NG9 SCHOTT NG9	3.00 3.00	0.007 0.007	#14-102	3,395 NT$3,395 Qty 11+ NT$2,975 Request Quote	5-7 Days ×
25.00 25.00	- -	0.14 0.14	SCHOTT NG11 SCHOTT NG11	1.00 1.00	72 72	#14-105	1,540 NT$1,540 Qty 11+ NT$1,330 Request Quote	5-7 Days ×
25.00 25.00	- -	0.25 0.25	SCHOTT NG11 SCHOTT NG11	2.00 2.00	56 56	#14-107	1,540 NT$1,540 Qty 11+ NT$1,330 Request Quote	5-7 Days ×
25.00 25.00	- -	0.35 0.35	SCHOTT NG11 SCHOTT NG11	3.00 3.00	44 44	#14-109	1,540 NT$1,540 Qty 11+ NT$1,330 Request Quote	5-7 Days ×
- -	50.0 x 50.0 50.0 x 50.0	0.14 0.14	SCHOTT NG11 SCHOTT NG11	1.00 1.00	72 72	#14-104	3,395 NT$3,395 Qty 11+ NT$2,975 Request Quote	5-7 Days ×
- -	50.0 x 50.0 50.0 x 50.0	0.25 0.25	SCHOTT NG11 SCHOTT NG11	2.00 2.00	56 56	#14-106	3,395 NT$3,395 Qty 11+ NT$2,975 Request Quote	5-7 Days ×
- -	50.0 x 50.0 50.0 x 50.0	0.35 0.35	SCHOTT NG11 SCHOTT NG11	3.00 3.00	44 44	#14-108	3,395 NT$3,395 Qty 11+ NT$2,975 Request Quote	5-7 Days ×


Glass Type	Thickness	Min. Transmission (%)	Max. Transmission (%)
NG3	1	7.4	11.1
	2	0.01	2.8
	3	0.01	1.9
NG4	1	24.9	31.3
	2	6.1	11.6
	3	0.01	5.5
NG5	1	49.8	55.4
	2	27.2	32.8
	3	14.3	19.9
NG9	1	1.8	5.5
	2	0.01	2.0
	3	0.01	1.8
NG11	1	70.1	73.8
	2	54.2	57.9
	3	42.2	45.9

Edge length and diameter	+/-0.2 mm
Thickness	For ≤ 1mm: ± 0.1mm For > 1 – 3mm: ± 0.2mm
Surface Quality	60 – 40
Surface Accuracy	≤8 Waves
Parallelism	≤3 arcmin
Clear Aperture	≥90%
Edges & Bevels	Round parts ≥ ∅5mm: polished edges & protective bevel Square & rectangular parts < 50 x 50mm: polished edges, no bevel
Edge Chips	For ≤ ∅80mm: < 0.3mm (5/E0.3), for ≥ ∅81mm < 0.6mm (5/E0.6)

Polishing quality	P2
Defects	5/3 x 0.63
All edges machined
Round filters with chamfer max. 0.5mm, square and rectangular < 50x50mm without chamfer
Edge chips permitted up to 5/E0.3

SCHOTT 光學濾光片玻璃一般資訊
BG	Blue, blue-green, and multiband glasses
GG	Nearly colorless to yellow glasses, IR transmitting
KG	Virtually colorless glasses with high transmission in the visible and absorption in the IR
NG	Neutral density glasses with uniform attenuation in the visible range
OG	Orange glasses, IR transmitting
RG	Red and black glasses, blocking visible, IR transmitting
UG	Black and blue glasses, UV transmitting
VG	Green glasses
WG	Colorless glasses with different cut-offs in the UV, transmitting in the visible and IR ranges
Note: The spectral curves above show the internal transmittance of the individual optical filter glasses

SCHOTT NG 灰色玻璃中性密度 (ND) 濾光片

一般規格

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資源

Understanding Neutral Density Filters

What is an ND Filter?

Can I place ND filters back-to-back and increase optical density?

What is the difference between using an absorptive ND filter and a reflective ND filter?

How should I orient my reflective ND or interference filter?

Continuously Variable Apodizing Filter

Neutral Density Filter (ND)

光學濾光片

How do I clean my filters?

What is the largest diameter filter available from Edmund Optics®?

What are some of the most common filter substrates?

How do I select the right filter for my application?

What types of filters can Edmund Optics® manufacture?

Filter

Optical Density (OD)

Stopband

Removing Protective Plastic Coating

Transmission

How do I clean my optics?

Clear Aperture (CA)

愛特蒙特光學遍佈全球的製造工廠

愛特蒙特光學的度量技術：將測量作為製造的關鍵要素

Surface Quality