av. Transmission > 93% 400 - 490 nm blocked with ≥ OD 6 from 504 - 850 nm diameter 25 mm, ring thickness 3,5 mm
Content: 1 Pieces
Functional cookies are necessary for the functionality of the website. These cookies assign a unique random ID to your browser to ensure your unrestricted user experience across multiple page views.
This cookie is necessary to preserve your purchase data across multiple page views.
Wish List / Favourites:
This cookie is necessary so that your wishlist is saved even if you close and reopen your browser (cross-session saving).
Device / Display:
This cookie is necessary so that the website can be optimally displayed on your device.
This cookie is for security purposes. It improves the protection against hacker attacks on forms (so-called Cross-Site Request Forgery).
The Login Token is used for the cross-session recognition of users. The cookie does not contain any personal data, but allows personalization across multiple browser sessions.
This cookie is necessary so that individual content can be displayed independently of the cache memory.
Cookies Active Check:
This cookie is necessary to check whether cookies are allowed by your browser.
This cookie is necessary to save your cookie settings across multiple browser sessions.
Referrer URLs (internal):
For functionally necessary reasons, this cookie stores the internal page you were last on and the first page you visited on this website.
Stores which cookies you have accepted.
These cookies help us to check and evaluate our marketing measures (e.g. Google ads).
This cookie is used by Google to determine and improve the efficiency of Google advertising (e.g. Google AdSense).
These cookies help us to track and analyze information about user behavior on our website.
The cookie is used to track website activity with the Matomo (former Piwik) web analytics tool. The collected information is used for site analysis and to compile statistics. Your IP address gets anonymized partially.