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Focus tunable lenses – Overview

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.

The following table summarizes the main specifications of currently available focus tunable lenses: 

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


 
Fast electrically tunable lens
Fast electrically tunable lens
Manually
tunable lens
Manual
condenser lens
Manual
condenser lens
 

 EL-6-18

EL-10-30
Series

ML-20-35
Series

ML-25-50 "Lumilens"

ML-55-106 "Lumilens"

 EL-6-18
EL-10-30
ML-20-35 ML-25-50 ML-55-106

Specification
        

Size (ØxH)

 18mm x 8.5mm

 30mm x 9.7mm

 35mm x 8mm

 50mm x 19mm

 106mm x  50mm

Clear aperture

 6mm

 10mm

 20mm

 25mm

 55mm

Lens Type

 Meniscus
(convex-concave)

 Plano convex

Plano convex to plano concave

 Plano convex

 Plano convex

Focal length range

 From -500 to +50mm

 From +20 to +200mm

 From -40 to +40mm

 From +37mm
to infinity

 From +72mm
to infinity

Refractive Index

 1.300

 1.300 or 1.559

  1.300 or 1.559

 1.300 or 1.382

 1.300 or 1.382

Documentation           

 Datasheet

 Datasheet

 Datasheet

 Flyer

 Application Note



Fast focus demo with 2MP C-mount camera presented at Optatec 2012
(download mov-file)

 
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