Troubleshooting

How to Identify the Focal Lens on Your Aurora Laser

Learn how to determine which focal lens is installed on your Aurora Fiber Laser by locating the F-### marking on the lens.

1 min readUpdated Jul 2026
Applies toAuroraTopicTroubleshooting

Preface: This article covers how to determine which lens you have installed on your Aurora Fiber Laser

Visual Marking

Look for the F-### on the lens. It should be either F-160, F170, F-210, F-220, F-254 or F-290.

Focal lens with F-### marking

For additional information, please refer to the manual:

Aurora Series Unified User's Manual

*If you have an older machine, you may need to refer to the manual that came on your USB stick

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