Focus tunable lenses
Optotune is a leading supplier of focus tunable lenses, also known as liquid lenses. Initially developped in 2008, Optotune’s lenses have become the prime choice for demanding focusing solutions making them:
More compact
Faster
Highly reliable
Less tolerance sensitive
More flexible with remote control
Optotune lenses come in a variety of sizes from 3 to 42 mm clear aperture, with several coating options ranging from 400 to 2200 nm and comprise three sub-families:
The following table summarizes the main specifications of Optotune's EL and ML series:
Product series | Product description |
Clear aperture (mm) |
Size ØxH (mm) | Lens type | Optical power range (dpt) | Refractive index |
---|---|---|---|---|---|---|
CCM | Compact lens solutions | 1.3 - 4.4 | Customizable | 1.30 or 1.45 | ||
EL-3-10 | Electrically tunable lens | 3 | 10 x 4.0 | Plano convex to plano concave | -13 to + 13 | 1.30 |
EL-10-42-OF | Electrically tunable lens | 10 | 42 x 41 | Plano convex + plano concave offset lens with optical feedback (OF) | -2 to +2 | 1.30 |
EL-12-30-TC | Electrically tunable lens | 12 | 30 x 5.8 | Plano convex to plano concave | -6 to +10 | 1.45 |
EL-16-40-TC | Electrically tunable lens | 16 | 40 x 11.9 | Plano convex to plano concave | -2 to +3 -10 to +10 |
1.30 |
ML-20-37 | Manually tunable lens | 20 | 37 x 13.2 | Plano convex to plano concave | -18 to +18 | 1.38 |