46mm 67mm 72mm 77mm Neutral Desity ND Filter

• Customization: Available
• Usage: Medical
• Thickness Range: 2mm-5mm
• Model NO.: STF99
• Color: Blue
• Type: Thin Film Filter
• Principle: Selective Absorption Filter
• Material: Glass
• Angle of incidence: 0°
• Shape: Customized
• Certification: RoHS, CE
• Customized: Customized
• Surface Quality: 60-40
• Flatness: 1/4 Lambda
• Tolerance: +/-0.05mm
• Fwhm: 3-50nm
• Transport Package: 100PCS Per Box
• Specification: 3-200mm
• Trademark: Sunday Optics
• Origin: China, Changchun
• HS Code: 9001909090
• Production Capacity: 50000PCS Per Month

Product Description

Specifications of neutral density filter                                                               
Attenuation wavelength:200nm-1550nm
absorptivity:OD=0.5,OD=1,OD=2,OD=3,OD=5,OD=10,OD=20,OD=30

 

Attnuation wavelength:
1.UV wavelength:250nm to 380nm,transmisson after absorptivity 20%,50%
2.Vis wavelength:400nm to 700nm,transmission after  absorptivity 99%,90%,80%,70%,50%,30%,20%,10%.
3.VIS+NIR:400nm to1000nm OD=0.5,OD=1,OD=2,OD=3,OD=5,OD=10,OD=20,OD=30
4.photo-communication wavelength:1200nm,1310nm,1550nm,transmission after absorptivity 70%,20%,50%,1% 
5.Size:2mm to 200mm+/-0.1
6.Surface quality:40-20
7.Flatness:1/4lambda or better
8.protective chamfer 

 

Application of neutral density filter                                                                     
laser,camre, Optical attenuation filter ,
Security cameras, Uv measuring instrument  and so on

 

Features

High wavelength positioning accuracy

Hard and firm coating film

Good heat resistance and moisture resistance

Long service life(over 5 years under general condition)

Modules for Narrow bandpass filter

CWL(nm)	FWHM(nm)	Tmax(%)	Blocking Wavelength Range	Blocking	Size
295	12+/-2nm	T≥20%	200-2000nm	OD5(0.001%)	φ10 φ12 φ15 up to 50mm
420	8+/-2nm	T≥45%	200-1100nm	OD5(0.001%)	φ10 φ12 φ15 up to 50mm
465	8+/-2nm	T≥45%	200-1100nm	OD5(0.001%)	φ10 φ12 φ15 up to 50mm
510	8+/-2nm	T≥45%	200-1100nm	OD5(0.001%)	φ10 φ12 φ15 up to 80mm
525	8+/-2nm	T≥45%	200-1100nm	OD5(0.001%)	φ10 φ12 φ15 up to 80mm
562	8+/-2nm	T≥45%	200-1100nm	OD5(0.001%)	φ10 φ12 φ15 up to 80mm
589	8+/-2nm	T≥45%	200-1100nm	OD5(0.001%)	φ10 φ12 φ15 up to 80mm
605	8+/-2nm	T≥45%	200-1100nm	OD5(0.001%)	φ10 φ12 φ15 up to 80mm
620	8+/-2nm	T≥45%	200-1100nm	OD6	φ10 φ12 φ15
625	8+/-2nm	T≥45%	200-1100nm	OD5(0.001%)	φ10 φ12 φ15 up to 80mm
665	8+/-2nm	T≥45%	200-2000nm	OD6
730	10+/-2nm	T≥80%	200-1100nm	OD5(0.001%)	φ10 φ12 φ15 up to 50mm
870	30+/-2nm	T≥85%	200-1200nm	OD5	φ10 φ12
900	25+/-2nm	T≥85%	200-1200nm	OD5	φ30
915	30+/-2nm	T≥85%	200-1200nm	OD5	φ10 φ12
920	20+/-2nm	T≥20%	200-1200nm	T<10-4	φ30

Manufacture Specifications

Diameter	2mm to 200mm
Diameter Tolerance	+0.00/-0.1 or customer size
Material	N-BK7,H-K9L,Sapphire,Fused Silica(JGS1),Caf2,ZnSe,Si,Ge,etc.
Surface Quality	80-50 to 10/5
Flatness	1/4 lambda
Thickness Tolerance	+0.00/-0.05mm
Standard wavelength	270nm,311,360,380,473,532,650,780,808,850,904,940,1064 and 1900nm.
FWHM	5nm to 50nm
Transmission	60% to 99%
Average blocking	OD6

Sample Curves-540nm



Our Factory



Testing



Exhibition Show
Sunday Optics attended Laser World in Laser World in Munich,Frankfult Exhibition,SPIE every year.



Related Production Line
sunday optics also manufacture high precison Lens,prism, powell lens, collimator lens, glass filter, and mirror.




FAQ:
1. Are you manufacturure? can we see your factory?
    Yes. 

2. Do you have test report?
   Yes, we offer full size test report, about size, focal length, flatness, coating curve, coating plate.

3.What is your production quantity everymonth?
  It depands on the lens size and precison.

4.What is the Minimum quantity?
  1pc

5.What is your delivery time?
   samples: 10-20days

6.How should we do if the quality is not good?
  Repair or return money.