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Optotune is a leading supplier of focus tunable lenses for diverse applications. Whether electrically or mechanically actuated, the advantages of tunable lenses over traditional optics are striking. Optotune's lenses can be taylored to your specific demands in terms of size, tuning range, transmission range or speed. Tell us your requirements and we will be happy to assess the feasibility. |
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The following table summarizes the main specifications of Optotune's most popular focus tunable lenses:
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| Specifications |  |
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Product description |
Fast electrically tunable lens |
Fast electrically tunable lens |
Fast electrically tunable lens |
Fast electrically tunable lens |
Manually |
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Size (ØxH) |
30mm x 9.7mm |
30mm x 20.7mm |
42mm x 36mm |
40mm x 11.9mm |
37mm x 13.2mm |
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Clear aperture |
10mm |
10mm |
10mm |
16mm |
20mm |
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Lens Type |
Plano convex |
Plano convex |
Plano convex + plano concave offset lens |
Plano convex to plano concave |
Plano convex to plano concave |
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Focal length range |
From +50 to +120mm |
From -600 to +170 mm |
From -500 to +500 mm |
From -500 to +333 mm |
From -55 to +55mm |
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| Refractive Index |
1.300 or 1.559 |
1.300 |
1.300 |
1.300 |
1.38 |
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| Recommended Documentation |
Driving electrically tunable lenses
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Optotune's electrical lenses are current controlled. There are several options for current drivers ranging from regular lab power supplies to tiny VCM driver ICs. Optotune offers a high-precision USB driver with a resolution of 0.1mA, which includes read-out of ingetrated temperature sensors over I2C. |
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Videos
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Continuous focus with the EL-10-30 and a time-of-flight distance sensor |
Focus tunable lenses presented at Optatec 2012 |
