The 4401-261-000-21 is a high-performance LINOS F-Theta-Ronar scan lens designed by Qioptiq (an Excelitas Technologies company) for precision laser material processing at 1064 nm. It features a 163.1 mm focal length and provides a 115 x 115 mm scan field. The lens is constructed from optical glass with a design optimized for flat-field scanning and consistent spot size across the entire working area. It is equipped with an M76x1 mounting thread and a PG5 protective glass cover.
| RoHS |
Compliant |
| Weight |
795g |
| Scan Angle |
± 20.2degrees |
| Screw Thread |
M76x1 |
| Lens Material |
Optical Glass |
| Protective Glass |
PG5 |
| Working Distance |
219.1mm |
| Design Wavelength |
1064nm |
| Maximum Scan Field |
115 x 115mm |
| Flange Focal Length |
185.9mm |
| Spot Diameter (at 1/e²) |
32µm |
| Effective Focal Length (EFL) |
163.1mm |
| Beam Diameter (truncated at 1/e²) |
10mm |