China Optical Filters Optical BFilters 940nm Narrow BFilters

>> Product Description
Filters are designed by their manufacturers to transmit or absorb different wavelengths of light. And they are widely used in scientific experiments and industrial applications where that change is necessary. Color Separation Filter, Neutral Density Filter, Filter, Short/Long Wave Pass Filter, Bandpass Filter and Interference Filter
>> Specification
Specification of our color filter as follow:
Material: Filter Glass, BK7
Dimension: 4mm-160mm - 0.20mm
Squares/Rectangles: 1mm-165mm
Thickness: 0.5mm-4mm
Thickness tolerance: +/-0.0Electronics Stocks 1mm-0.1mm
Paralism: Up to 3 Arc minutes
Edges: Fine
Ground Flatness: Up to Lambda/10
Surface quantity: 80/50-20/10 Scratch/Digmaterialfilter glass,BK7dimension4mm-160mm-0.2mmthickness tolerance+/-0.01-0.1mmthickness0.5mm-4mmsurface quality80/50-20/10RangeofdiametPower Transmission Parts erDia.0.7mm-Dia.400mmRangeofcurveradiusR1.5-R∞etc.Toleranceofdiameter+/-0.1,+/-0.01,+/-0.005etc.Surfaceaccuracyλ,1/2λ,1/4λ,1/10λetc.ToleranceofThickness+/-0.1,+/-0.05,+/-0.01etc.Centration+/-2′,+/-1′etc.ApertureN5,1etc.IrregularityΔN2,1,0.5,0.2etc.Surfacequality60/40,40/20,20/10,10/5etc.>> Company Introduction
>>Related Products
VY Optics could also manufacture and design other optical elements, includingachromatic lens,dome lens,filter,prism,ball lens,cylindrical lens,optical mirrors,spherical lensandrod lens, we can fabricatehigh-precision lensas per your requested.
>>FAQ
Q:
·We'd like to supply samples for free if we have it in stock, but we don't pay freight.
Q:
·Regarding inventory, it is 3 working days;
·For customized one, it's about 15-25 working days, depended on exact quantity and order date.
Q:
·Yes, to customize special optical element and coatinManufacturing Equipment for Electrical & Electroni g are available here.
Q:
·T/T, Alibaba online assurance payment, MoneyGram, West Union, Paypal and so on.
Q:
·VY Optics is a reliable supplier not only audited on Alibaba, but also on Made-in-China, reputation and quality is life of our company, and we support Alibaba Trade Assurance.
Q:
·Low value sample: EUB, E Express of China Post, which is cheap;
·Light weight parcel: DHL, FedEx, TNT, UPS, EMS, SF Express, China Post;
·Heavy cargo: by air oCapacitor r by sea, ship on pallet.
Our company enjoy a considerable discount owing to long-term cooperation with courier company.