EL-16-40-TC Large-Aperture Electrically Focus-Tunable Liquid Lens EL-16-40-TC-VIS-5D-M25.5-E
With a 16 mm clear aperture, the EL-16-40-TC is the electrically tunable lens with the largest clear aperture in the world. Its high-precision static lens design ensures concentricity and pointing stability; selected lenses achieve diffraction-limited wavefront error. An integrated temperature sensor enables in-situ compensation for temperature changes and focal repeatability of ±0.02 dpt. The robust voice-coil motor (VCM) design supports high-frequency use and long service life, while limiting thermal drift to 0.02 dpt/°C for excellent repeatability. The EL-16-40-TC provides fast, reliable autofocus within milliseconds and is well suited to demanding imaging-quality and large-beam applications, including quality inspection, microscopy, microplate readers, in-vitro fertilization (IVF) incubators, skin scanners and surgical imaging. Notes: 1. All models are available with optional gravity compensation technology (GTC models). 2. All models are available with near-infrared (NIR) coatings or custom coatings. 3. All models can meet grade-one standards, with wavefront error <0.15 λ RMS and focal repeatability <0.02dpt. 4. Models with threaded adapters are available with an integrated ECC-1C lens controller.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Clear Aperture Dimension | 16 mm |
| Focal Adjustment Range [30°C；±250 mA] | -10 to +10 dpt （30°C，±250 mA） |
| Focal Repeatability | ~ 0.1 dpt |
| Wavefront Error [0 dpt; optical axis vertical; RMS; affected by gravity-induced coma; 532 nm] | <0.5 λ |
| Wavefront Error [0 dpt; optical axis horizontal; RMS; affected by gravity-induced coma; 532 nm] | <2.5 λ |
| Lens Type | Plano-Concave to Plano-Convex |
| Refractive Index / Abbe Number | nD = 1.30 / ν = 100 |
| Response Time [30°C;0 to ±250 mA Step] | typical:7 ms ( typical ,30°C,0 to ±250 mA Step ) |
| Settling Time [30°C;0 to ±250 mA Step] | typical:40 ms( typical ,30°C,0 to ±250 mA Step ) |
| Cycle Life [10%–90% Sine Wave] | 1000000000 cycles (10%–90% sine wave) |
| Operating Temperature | -20 至 65 °C |
| Storage Temperature | -40 至 85 °C |
| Weight | 40 g |
Key Features
Datasheet
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Supplier Information
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