By Optotune
Optotune’s C-mount ELM-F lenses support up to 1.1” sensors with pixel sizes down to 2.7 μm. When paired with Optotune’s optional embedded lens controller, precise and fast focal power adjustment becomes easy, even in environments with fluctuating temperatures. Main specifications: Focal length: 50 mm F#: 3.5 or 5.6 Maximum image circle: 18 mm Lens control: embedded or external controller Configurations - F#: embedding Optotune’s EL-12-30 or EL-7-20 focus tunable liquid lenses for f# of 3.5 or 5.6 - Controller: embedded or external controller Applications: ELM-50-X-18-C is ideal for barcode scanners, quality control, microscopes, microplate readers, IVF incubators, skin scanners, surgical imaging… Product name: ELM-50-3.5-18-C-E Focal length (mm): 50 F#: 3.5 Recommended pixel size (μm): 2.7 Camera sensor format: 1.1" Connector type: Hirose male Lens control: ✓ Embedded ECC-1C
Product name: EL-16-40-TC-VIS-5D-M25.5-E Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.25 Wavelength range (nm): 420 - 950 Class: 2 Top thread: M25.5x0.5 male Bottom thread: M40.5x0.5 female Lens control: ✓ Connector type: Hirose female Product name: EL-16-40-TC-VIS-5D-M27 Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.25 Wavelength range (nm): 420 - 950 Class: 2 Top thread: M27x0.5 male Bottom thread: M40.5x0.5 female Lens control: • Connector type: Hirose male Product name: EL-16-40-TC-VIS-5D-M27-E Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.25 Wavelength range (nm): 420 - 950 Class: 2 Top thread: M27x0.5 male Bottom thread: M40.5x0.5 female Lens control: ✓ Connector type: Hirose female Product name: EL-16-40-TC-VIS-5D-M30.5 Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.25 Wavelength range (nm): 420 - 950 Class: 2 Top thread: M30.5x0.5 male Bottom thread: M40.5x0.5 female Lens control: • Connector type: Hirose male Product name: EL-16-40-TC-VIS-5D-M30.5-E Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.25 Wavelength range (nm): 420 - 950 Class: 2 Top thread: M30.5x0.5 male Bottom thread: M40.5x0.5 female Lens control: ✓ Connector type: Hirose female Product name: EL-16-40-TC-VIS-5D-M42 Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.25 Wavelength range (nm): 420 - 950 Class: 2 Top thread: M42x1 male Bottom thread: M42x1 female Lens control: • Connector type: Hirose male Product name: EL-16-40-TC-VIS-5D-M42-E Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.25 Wavelength range (nm): 420 - 950 Class: 2 Top thread: M42x1 male Bottom thread: M42x1 female Lens control: ✓ Connector type: Hirose female Product name: EL-16-40-TC-VIS-5D Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.25 Wavelength range (nm): 420 - 950 Class: 2 Top thread: None Bottom thread: None Lens control: • Connector type: FPC Product name: EL-16-40-TC-VIS-5D-1 Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.15 Wavelength range (nm): 420 - 950 Class: 1 Top thread: None Bottom thread: None Lens control: • Connector type: FPC Product name: EL-16-40-TC-VIS-5D-1-C Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.15 Wavelength range (nm): 420 - 950 Class: 1 Top thread: C-mount male Bottom thread: C-mount female Lens control: • Connector type: Hirose male Product name: EL-16-40-TC-VIS-5D-1-C-E Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.15 Wavelength range (nm): 420 - 950 Class: 1 Top thread: C-mount male Bottom thread: C-mount female Lens control: ✓ Connector type: Hirose female Product name: EL-16-40-TC-VIS-5D-1-M42 Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.15 Wavelength range (nm): 420 - 950 Class: 1 Top thread: M42x1 male Bottom thread: M42x1 female Lens control: • Connector type: Hirose male Product name: EL-16-40-TC-VIS-5D-1-M42-E Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.15 Wavelength range (nm): 420 - 950 Class: 1 Top thread: M42x1 male Bottom thread: M42x1 female Lens control: ✓ Connector type: Hirose female Product name: EL-16-40-TC-VIS-5D-C Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.25 Wavelength range (nm): 420 - 950 Class: 2 Top thread: C-mount male Bottom thread: C-mount female Lens control: • Connector type: Hirose male Product name: EL-16-40-TC-VIS-5D-C-E Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.25 Wavelength range (nm): 420 - 950 Class: 2 Top thread: C-mount male Bottom thread: C-mount female Lens control: ✓ Connector type: Hirose female Product name: EL-16-40-TC-VIS-5D-M25.5 Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.25 Wavelength range (nm): 420 - 950 Class: 2 Top thread: M25.5x0.5 male Bottom thread: M40.5x0.5 female Lens control: • Connector type: Hirose male Product name: EL-16-40-TC-NIR-20D-C Focal power range (dpt): -10 to 10 Wavefront error (λ): <0.5 Wavelength range (nm): 850 - 1500 Class: 2 Top thread: C-mount male Bottom thread: C-mount female Lens control: • Connector type: Hirose male Product name: EL-16-40-TC-NIR-20D-C-E Focal power range (dpt): -10 to 10 Wavefront error (λ): <0.5 Wavelength range (nm): 850 - 1500 Class: 2 Top thread: C-mount male Bottom thread: C-mount female Lens control: ✓ Connector type: Hirose female Product name: EL-16-40-TC-NIR-5D Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.25 Wavelength range (nm): 850 - 1500 Class: 2 Top thread: None Bottom thread: None Lens control: • Connector type: FPC Product name: EL-16-40-TC-NIR-5D-1 Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.15 Wavelength range (nm): 850 - 1500 Class: 1 Top thread: None Bottom thread: None Lens control: • Connector type: FPC Product name: EL-16-40-TC-NIR-5D-1-C Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.15 Wavelength range (nm): 850 - 1500 Class: 1 Top thread: C-mount male Bottom thread: C-mount female Lens control: • Connector type: Hirose male Product name: EL-16-40-TC-NIR-5D-1-C-E Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.15 Wavelength range (nm): 850 - 1500 Class: 1 Top thread: C-mount male Bottom thread: C-mount female Lens control: ✓ Connector type: Hirose female Product name: EL-16-40-TC-NIR-5D-1-M30.5 Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.15 Wavelength range (nm): 850 - 1500 Class: 1 Top thread: M30.5x0.5 male Bottom thread: M40.5x0.5 female Lens control: • Connector type: Hirose male Product name: EL-16-40-TC-NIR-5D-C Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.25 Wavelength range (nm): 850 - 1500 Class: 2 Top thread: C-mount male Bottom thread: C-mount female Lens control: • Connector type: Hirose male Product name: EL-16-40-TC-NIR-5D-C-E Focal power range (dpt): -2 to 3 Wavefront error (λ): <0.25 Wavelength range (nm): 850 - 1500 Class: 2 Top thread: C-mount male Bottom thread: C-mount female Lens control: ✓ Connector type: Hirose female Product name: EL-16-40-TC-VIS-20D Focal power range (dpt): -10 to 10 Wavefront error (λ): <0.5 Wavelength range (nm): 420 - 950 Class: 2 Top thread: None Bottom thread: None Lens control: • Connector type: FPC Product name: EL-16-40-TC-VIS-20D-1 Focal power range (dpt): -10 to 10 Wavefront error (λ): <0.25 Wavelength range (nm): 420 - 950 Class: 1 Top thread: None Bottom thread: None Lens control: • Connector type: FPC Product name: EL-16-40-TC-VIS-20D-1-C Focal power range (dpt): -10 to 10 Wavefront error (λ): <0.25 Wavelength range (nm): 420 - 950 Class: 1 Top thread: C-mount male Bottom thread: C-mount female Lens control: • Connector type: Hirose male Product name: EL-16-40-TC-VIS-20D-1-C-E Focal power range (dpt): -10 to 10 Wavefront error (λ): <0.25 Wavelength range (nm): 420 - 950 Class: 1 Top thread: C-mount male Bottom thread: C-mount female Lens control: ✓ Connector type: Hirose female Product name: EL-16-40-TC-VIS-20D-C Focal power range (dpt): -10 to 10 Wavefront error (λ): <0.5 Wavelength range (nm): 420 - 950 Class: 2 Top thread: C-mount male Bottom thread: C-mount female Lens control: • Connector type: Hirose male Product name: EL-16-40-TC-VIS-20D-C-E Focal power range (dpt): -10 to 10 Wavefront error (λ): <0.5 Wavelength range (nm): 420 - 950 Class: 2 Top thread: C-mount male Bottom thread: C-mount female Lens control: ✓ Connector type: Hirose female Product name: EL-16-40-TC-NIR-20D-1-C Focal power range (dpt): -10 to 10 Wavefront error (λ): <0.25 Wavelength range (nm): 850 - 1500 Class: 1 Top thread: C-mount male Bottom thread: C-mount female Lens control: • Connector type: Hirose male Product name: EL-16-40-TC-NIR-20D Focal power range (dpt): -10 to 10 Wavefront error (λ): <0.5 Wavelength range (nm): 850 - 1500 Class: 2 Top thread: None Bottom thread: None Lens control: • Connector type: FPC The legend showing driver compatibility: • Compatible with ICC-1C or ICC-4C-500 (not included) ✓ Embedded ECC-1C
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Based on more than a decade of customer feedback and development, the EL-12-30-TC is Optotune’s most advanced and compact liquid lens. Its redesigned architecture uses modern materials and manufacturing for improved performance. The lens tunes from plano-concave to plano-convex, offering a focal power range of –6 to +10 diopters. It delivers fast response, low thermal sensitivity, and features AR-coated cover glasses for 420–950 nm. Main specifications: Clear aperture: 12 mm Outer diameter: 30 mm Focal power range: -6 to 10 dpt Rise / settling time: 3 / 10 ms Wavefront error: 0.15 λ RMS Abbe number: 55 Nominal current range: -250 to 250 mA This product has multiple versions. Configurations: - Diopter range: -6 to 10 dpt - Wavelength range: visible or NIR - Thread: C-mount or no thread - Connector type: FPC or Hirose Applications: EL-12-30-TC is ideal for barcode scanners, quality control, microscopes, microplate readers, IVF incubators, skin scanners, surgical imaging… Available versions: EL-12-30-TC-VIS-16D: Focal power range -6 to 10 dpt, Wavefront error 0.15 λ, Wavelength range 420 - 950 nm, Top thread None, Bottom thread None, Lens control compatible with ICC-1C or ICC-4C-500 (not included), Connector type FPC EL-12-30-TC-NIR-16D: Focal power range -6 to 10 dpt, Wavefront error 0.15 λ, Wavelength range 850 - 1500 nm, Top thread None, Bottom thread None, Lens control compatible with ICC-1C or ICC-4C-500 (not included), Connector type FPC EL-12-30-TC-VIS-16D-C: Focal power range -6 to 10 dpt, Wavefront error 0.15 λ, Wavelength range 420 - 950 nm, Top thread C-mount male, Bottom thread C-mount female, Lens control compatible with ICC-1C or ICC-4C-500 (not included), Connector type Hirose male EL-12-30-TC-VIS-16D-C-E: Focal power range -6 to 10 dpt, Wavefront error 0.15 λ, Wavelength range 420 - 950 nm, Top thread C-mount male, Bottom thread C-mount female, Embedded ECC-1C, Connector type Hirose female The legend showing driver compatibility: • Compatible with ICC-1C or ICC-4C-500 (not included) ✓ Embedded ECC-1C
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The ML-18-30 is a liquid lens core, which can be incorporated into illumination systems to control divergence of the light. The lens curvature is changed from flat to strongly convex by pressing a ring (lens shaper) onto the membrane. This axial travel is realized by a rotating actuation together with the inclination of the helix structure at the outer face of the lens. Note that this product consists only of the bare core element. Design files to build a housing for the ML-18-30 with the appropriate actuation mechanism are available on request. Main specifications: Clear aperture, typical: 18 mm Outer diameter: 30 mm Focal power range: 0 to 28 dpt Abbe number: 63 Transmission (container uncoated): 91% Weight: 3.5g Control the spot size of your LED light A tunable condenser lens is the ideal choice for illumination systems based on LEDs. In combination with secondary optics (TIR lens or reflector), large illumination angle variations can be achieved while maintaining an excellent spot quality and a very high optical efficiency. The low-dispersion lens material prevents color errors from spoiling the spot quality. There is not a more elegant way to flexibly adapt the lighting angle of your illumination system than with a tunable condenser lens. Traditionally, lighting angles are adjusted by axially shifting a fixed lens. Yet, axial shifting of fixed focus lenses produces spherical aberrations that manifest themselves in undesired intensity rings and bad illumination spots. Furthermore the optical efficiency significantly drops when the fixed lens is moved away from the light source. These disadvantages can be overcome by using a tunable condenser lens. Applications ML-18-30 is ideal for specialty lighting in microscopes.
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Optotune’s laser speckle reducers offer a compact turnkey solution for speckle reduction and beam homogenization using an oscillating AR-coated fused-silica diffusor. The reliable actuation technology delivers stable performance for over 40,000 hours. From speckle-free laser illumination in fluorescence microscopy to brighter, higher-contrast laser projection with expanded color gamut, these systems enhance signal quality, increase detection accuracy, and effectively eliminate unwanted laser speckle. Compact design with large aperture. Driving electronics integrated on flex-cable. Robust design with long operational lifetime. Built-in amplitude stabilization. Optotune’s laser speckle reducers (LSR) use a single thin steel structure that is driven into resonance by pulsing an actuating coil, generating a strong reluctance force. Thanks to its high Q-factor, it achieves large amplitudes of up to 800 µm while maintaining very low power consumption of only 50 mW. A second coil continuously monitors the amplitude in closed loop for stable, accurate operation. The bearing-free design is highly robust and built to withstand shocks of up to 500 g. The speckle reducers are factory calibrated. The design is <6 mm thin and lightweight (11 g). Compared to spinning-disk diffusors, there is no motor blocking the central optical area, ensuring optimal use of the diffuser surface. Its compact form factor includes fully integrated driving electronics and supports a variety of diffuser materials. Combined with an operational lifetime exceeding 40,000 hours, the system offers long-term reliability and maximum optical efficiency. Static diffusor (LSR OFF): 0.26 speckle contrast. Dynamic diffusor (LSR ON): 0.06 speckle contrast.
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