How to order filters

Please read the following information when ordering from Delta Optical Thin Film.

Contact us

To request information, please use the contact information below.

+45 70 70 71 46

To order filters, visit our online shop

Placing an order

Small volume of optical filters

Please place your order in our online shop The filter prices shown there and on our website apply, plus a freight charge of 30 €. Within a few minutes you will receive an e-mail confirming the reception of your order and within a few days you will receive an order confirmation with the scheduled delivery date.

High volume of optical filters

Orders for 10 units or above are subject to a 5% discount. Orders for 25 units or above are subject to a 10% discount.

Please contact our sales department for volume pricing exceeding 50 units.

Custom design optical filters

If you cannot find the required component in our on-line catalogue, please e-mail or call us. We might have the required component on stock. Alternatively, we will quote you for a design according to your specifications.

General Purchase Conditions

Tolerances and spectral performance

All catalogue filters are guaranteed to be within certain tolerances. The spectral performance is guaranteed to meet or exceed the typical transmission curves shown on this website. Spectral measurements for individual filters are subject to an extra charge.

For more information about tolerances and spectral performance for a specific product, please contact our sales department.


All prices are in EURO (€). Prices in other currencies are available on request.

All prices are subject to change without notice.

Prices exclude freight charges or international handling and duty costs where applicable.


We handle payment by major international credit cards and advance payment by bank transfer.


If not otherwise stated, Delta Optical Thin Film will use UPS Express shipping.

For other shipping options, please contact our sales department.