# Full Spectrum 20x12 ## Status Operational. Camera overlay still needs work. ### Configuration This machine has been [upgraded](/index/wiki/laser/equipment/full-spectrum-20x12/fsl-hobby-ruida-retrofit.md) and no longer uses the outdated Retina Engrave software. Use the following settings for Lightburn or download our [latest custom preferences](/index/wiki/laser/laser-cutting.md). * 45w Laser Tube * Width x Height: 505mm x 305mm * Origin: Upper Right * IP Address: 192.168.1.20 ### Scanning Offset The following settings are not fully tested and may change over time. Please check back often. | Speed | Line Shift | Initial Offset | | ----- | ---------- | -------------- | | 100 | 0.70 | 0 | | 400 | 2.60 | 0 | ### Focus Lens Options ![](/files/pBTTIgoidVuogbdzttrG) **1.5” lens** is appropriate for extra fine engravings such as fonts below 6pts. **2.0” lens\*** has a good combination of fine engraving and thin cutting for fonts between 6pts and 8pts. **2.5” lens** is appropriate for cutting up to ¼” of material and engraving detail to around 8pts. **5.0” lens** is for cutting thick foam. it is also a good lens for engraving into deep bowls, when more room is needed. **\***This is the included lens for Hobby Series Lasers. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://wiki.cherokeemakerspace.org/index/wiki/laser/equipment/full-spectrum-20x12.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.