Europe, UK, Asia & RoW: [email protected] +44 (0)1622 859444 | USA & Canada: [email protected] +1 401-583-7846


Thank you for your interested in our Black Friday offers. This promotion has now finished. To keep up-to-date with our offers, promotions and news, subscribe to our newsletter here!



Blink and It’s Gone…24% Off for 24 Hours


As we wrap up our spectacular week of savings, we’re going out with a bang! To cap off our first-ever Black Friday event, we’ve got a special code that’s up for grabs, and the best part is it applies to everyone.

Here’s the catch – it’s for 24 hours only, so you’ll want to act fast to snag the prices.

For today only (Friday 24th, between 00:01 and 23:59), both new and existing customers have the chance to enjoy a remarkable 24% off their purchases of over £200 across our extensive range of stock optical components.

To take advantage of this exclusive offer, simply enter the code KO24OFF at the checkout. 

Time is of the essence; these savings won’t be around tomorrow, so make sure you act quickly to secure your discount!





Why Not Apply Your Code to Our Bestsellers?

Maximise your savings by applying these exclusive discounts to our bestsellers. Dive into optical excellence with our meticulously crafted Plastic Aspheric Lenses, precision-engineered BK7 (or equivalent) Ball Lenses, and budget-friendly B270 (or equivalent) Windows.


Unbeatable Savings Without Compromising Excellence

When taking advantage of our Black Friday deals, you can rest assured that the premium quality synonymous with the Knight Optical brand will not be compromised. 

Whether it’s our state-of-the-art, in-house Metrology Laboratory, where we carefully examine your optical components, our dedicated QA department undertaking meticulous inspections to deliver top-notch optics that are free of surface imperfections, or our knowledgeable sales team that not only helps bring your optical visions to life but is also readily available for support when needed – these are just a few facets that position us as a leading optical component supplier. Moreover, we proudly hold certifications for ISO14001 in Environmental Management and ISO9001 in Quality Management Systems.

A metrology laboratory assistant checking the quality of optics components

Knight Optical's Metrology Laboratory, Quality assurance, QA, Optics testing


Can’t Find What You’re Looking For? Try Our Tailored Solutions

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‍While our optics catalogue is extensive, we understand that specific projects demand a more personalised touch. 

That’s where our custom-made optical components come in. You can choose everything – from dimensions and thicknesses to project-specific substrates and optical coatings, ensuring a perfect fit for your end application.

If you’re interested in exploring custom-made optics, feel free to contact us here, and we’ll be happy to assist you.






Our 2022/2023 Catalogue

Inside Knight Optical’s catalogue you’ll find details of the industries we serve as well as the many other services we can offer. It also showcases hundreds of our most popular products, supported by useful technical information, to help you choose the right part for your application.
Click below to view our digital catalogue now.



Black Friday Promotion – Terms and Conditions

1. Promotion Period

The Black Friday Promotion (“Promotion”) is valid for a limited time, starting from Monday, 20th November 2023 at 00:01 (GMT) and ending on Thursday, 23rd November 2023 at 23:59 (GMT).

2. Eligibility
The Promotion is open to new and existing customers of Knight Optical (“Customers”).
New customers are defined as those who have not made a purchase from Knight Optical before the start of the Promotion Period.
Existing customers are defined as those who have made a purchase from Knight Optical before the start of the Promotion Period.
To be eligible for the Promotion, Customers must place an order with a total value of £200 or more (GBP), excluding any applicable taxes and shipping costs.

3. Discounts

New customers will receive a 20% discount on orders over £200 (GBP).

Existing customers will receive an 11% discount on orders over £200 (GBP).

The discount applies to the subtotal of the order and does not include taxes or shipping costs.

4. Order Placement

To avail the discount, Customers must place their orders during the Promotion Period. Orders placed before or after this period are not eligible for the discount.

5. Application of Discount

The discount will be automatically applied during the checkout process when the order meets the eligibility criteria.
Customers are responsible for ensuring the discount is applied before completing their order.
The discount is not transferable or redeemable for cash.

6. Exclusions

The discount cannot be used in combination with other offers, promotions, or discounts unless explicitly stated otherwise.

7. Amendments and Cancellation

Knight Optical reserves the right to amend or cancel the Promotion or these terms and conditions at any time. Any such changes will be posted on the Knight Optical website.

8. Liability

Knight Optical is not responsible for technical, hardware, or software failures of any kind; lost or unavailable network connections; incomplete, garbled, or delayed computer transmissions; or other errors or malfunctions of any kind that may affect participation or receipt of the discount.

9. Privacy

By participating in this Promotion, Customers consent to Knight Optical collecting and using their personal information for the purpose of this Promotion.

10. Dispute Resolution

These terms and conditions are governed by and construed in accordance with the laws of England and Wales. Any dispute shall be subject to the exclusive jurisdiction of the courts of England and Wales.
By participating in the Black Friday Promotion, Customers agree to abide by these terms and conditions. If you do not agree with any of these terms, please refrain from participating in the Promotion. For further inquiries or assistance, please contact Knight Optical.