Design faster and more compact optical systems without complex mechanics using the electrically focus tunable lens EL-10-30-C. By applying a current of 0 to 300mA, the focal length of the 10 mm aperture lens can be tuned to a specific value within milliseconds. The EL-10-30-C also features threads on either side for easy mounting as well as the possibility to replace the cover glass with a fixed focus offset lens, allowing for free adjustment of the focal length range according to the requirements of your application.
EL-10-30-C (OEM version) |
EL-10-30-Ci (industrial version) |
The EL-10-30-C has two main optical configurations:
- The basic configuration has planar cover glasses and a focal tuning range of 200mm down to 100mm, making this the best choice for macro imaging.
- The "MV" configuration is optimized for the machine vision market. It contains a negative offset lens so that the over all focal tuning range goes from slightly negative down to 286mm, making this the ideal choice for combinations with infinity corrected fixed-focus lenses.
The following table summarizes the main specifications of the EL-10-30-C series:
Standard products* |
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EL-10-30-C-VIS-LD | 200 to 100 mm 5 to 10 dpt |
No | 400 - 700nm | <0.15 / <0.25 λ | ||||
EL-10-30-C-NIR-LD | 200 to 100 mm 5 to 10 dpt |
No | 700 - 1100nm | <0.15 / <0.25 λ | ||||
EL-10-30-C-VIS-LD-MV | -667 to +286mm -1.5 to +3.5 dpt |
Yes (-150mm) | 400 - 700nm | <0.15 / <0.25 λ | ||||
EL-10-30-C-NIR-LD-MV | -667 to +286 mm -1.5 to +3.5 dpt |
Yes (-150mm) | 700 - 1100nm | <0.15 / <0.25 λ |
* All the above models are available with a 6-pin FPC connector (OEM version) or with a 6-pin Hirose connector (industrial version)
** Wavefront error provided in λ RMS @525nm with optical axis vertical / horizontal
Since 2014 all lenses offer "Focal Power Mode", which makes use of calibration data saved directly on the lens, allowing for open loop control including temperature compensation at a repeatability of typically +/-0.1 diopters.
Applications
Applications for Optotune's EL-10-30-C are among others:
- Machine vision
- Microscopy
- Biometric systems
- Optical coherence tomography
Videos
Continuous focus with the EL-10-30-C and a time-of-flight distance sensor |
Three examples of Z-stepping in mircoscopy with the EL-10-30-C |