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Knight Optical(UK) Ltd - [email protected] - +44 (0)1622 859444

IR-cut filters

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For excellent visible range transmission and a proven ability to block unwanted UV and NIR light, Knight Optical’s custom IR-cut filters offer superior performance with sharp transitions between bands. Widely used in CMOS and CCD detector systems, as well as a host of other applications, the transmission of these filters is readily improved with the addition of an anti-reflective coating, particularly useful for precision grade applications.

 

Because they are custom made, all our IR-cut filters can be supplied in any size, shape or thickness and a range of transmission wavelengths. Short lead times are no issue, so if your project is time-sensitive, you can rely on our team to deliver on time and strictly to specification. We can also work within a range of budgets. Complex requirements never prove an issue for our experts.

Our Standard Range of IR-cut filters is manufactured to a surface quality of 60:40 scratch/dig. Precision IR-Cut filters are supplied with better than 40:20 scratch/dig and are further coated with AR on the rear of the optic to improve transmission. We understand that a higher quality is required for HD camera applications and our filters can also be purchased with an improved 20:10 scratch/dig for higher resolution systems.

Our IR-cut filters are available in standard 5mm, 10mm, 12.5mm, 15mm, 25mm and 50mm diameter or square types. We are happy to cut and edge filters for non-standard sizes to suit your application.

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Get in touch

Our Multi-Lingual Sales Team are here to help with your requirments:

UK +44 (0)1622 859444
UK +44 (0)1622 850614
UK +44 (0)1622 851078
+1 401 583 7846

International Shipping

We are able to ship to most countries at good rates, please click here for more info.

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