Optotune Focus Tunable Lenses

  • Compact design
  • Less mechanics
  • Fast response
  • Low power
  • Less tolerance sensitivity

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 focus tunable lenses can be tailored 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.

The following table summarizes the main specifications of Optotune's most popular focus tunable lenses:

  ML-20-37
Series
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EL-10-30
Series
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EL-10-30-C
Series
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EL-10-42-OF

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EL-16-40-TC
Series
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  Optotune ML-20-37 manually tunable lens EL-10-30 Optotune EL-10-30-C tunable lens Optotune EL-10-42-OF tunable lens Optotune EL-16-40-TC tunable

Product description

Manually tunable lens Fast electrically tunable lens Fast electrically tunable lens Fast electrically tunable lens Fast electrically tunable lens
Size (ØxH) 37mm x 13.2mm 30mm x 9.7mm 30mm x 20.7mm 42mm x 36mm 40mm x 11.9mm
Clear aperture 20mm< 10mm< 10mm 10mm 16mm
Lens Type Plano convex to concave Plano convex Plano convex
(offset lens optional)
Plano convex + plano concave offset lens Plano convex to plano concave
Focal length range From -55 to +55mm From +20 to +140mm From -600 to +170 mm From -500 to +500 mm From -500 to +333 mm
Refractive Index 1.38 1.300 or 1.559 1.300> 1.300   1.300
Recommended
Documentation
 Datasheet  Datasheet  Datasheet  Datasheet  Datasheet

Driving electrically tunable lenses

Optotune-Lens-Driver-4

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 including a high-precision USB driver with a resolution of 0.1mA, which includes read-out of ingetrated temperature sensors over I2C.

Videos

Continuous focus with the EL-10-30 and a time-of-flight distance sensor

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Focus tunable lenses presented at Optatec 2012

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