- EL series
EL-7-20-TC
The EL-7-20 is designed for OEM integration and uses Optotune’s proven shape-changing liquid lens technology. By applying current, the curvature shifts from concave to convex, enabling fast focal tuning within milliseconds. Its architecture ensures high reliability and robustness, making it suitable for demanding environments and wide temperature ranges.
Main specifications:
Clear aperture: 7 mm
Outer diameter: 20 mm​
Focal power range: -6 to 8 dpt​
Rise / settling time: 1 / 7 ms
Wavefront error, class 1: 0.07 λ RMS​
Abbe number: 55
Nominal current range: -250 to 250 mA
This product has multiple versions.
The best quality possible
Applications
EL-7-20 is ideal for barcode scanners, quality control, microscopes, microplate readers, IVF incubators, skin scanners, surgical imaging…| Product name | Focal power range (dpt) | Wavefront error (λ) | Wavelegth range (nm) | Class | Lens control | hf:tax:pa_atr-wavefront-error | hf:tax:pa_atr-class |
|---|---|---|---|---|---|---|---|
| EL-7-20-TC-VIS-14D-1 | -6 to 8 | 0.07 | 420 - 950 | 1 | • | 0-07-2 | 1 |
| EL-7-20-TC-VIS-14D | -6 to 8 | 0.10 | 420 - 950 | 2 | • | 0-10 | 2 |
The legend showing driver compatibility:
• Compatible with ECC-1C or ICC-4C-500 (not included)
✓ Embedded ECC-1C
• Compatible with ECC-1C or ICC-4C-500 (not included)
✓ Embedded ECC-1C