Purchase NDC Narrow Band Filters or Search Our Stock

Please note that before you can place an order, you must have registered with us and logged in before proceeding. Thank you.

This page allows you to create your Narrow Band Filter specification which will then be automatically matched to our exact or nearest filters available from stock. The process is straightforward; please follow these instructions, inserting your requirements in the fields above.

  • First enter the Wavelength in nanometers of the filter you require. Our stock range is from 400nm to 5000nm.
  • Next select the Bandwidth (FWHM). Bandwidth is specified as the the Full filter Width at Half the Maximum peak transmission and is expressed as a percentage of the center wavelength. Typically this will be 2% or more.
  • Finally, select the Size of the filter you require. Filters are available in the following 4 sizes: "10" [10.5 x 12.5mm {unmounted)]; "22" [22mm diameter (unmounted)]; "25" [25mm diamter (mounted)]; and "58" [58 x 58mm {ummounted)]
When you have completed the above, the system will bring up a  list of exact or nearest matches to your requirements. You can then enter the quantity you require and proceed to checkout and purchase your filters using your credit card.
If you have logged on and purchased previously, your details will be retained in the system for future us. If you are a new customer, you are invited to enter your details to register with us during the checkout process.
If your organization is a frequent purchaser of these products you are also welcome to apply for a credit account. To contact us, please email sales@ndcoptics.com or call +44 (0) 1621 878 088 (8:00am to 5:00pm GMT/BST, Monday to Friday).
Please note that you must first register with NDC Optics in order to place an order or obtain price information.