Zoom Lenses for Precision Imaging
Avantier designs and manufactures custom and stock zoom lenses and varifocal lenses for inspection, machine vision, robotics, medical imaging, and surveillance applications, with manual and motorized configurations available to fit system requirements.
Both varifocal and zoom lenses use are equipped with movable internal elements to adjust focal length,offering a versatile solution for applications requiring a specific field of view at a given working distance.A lens may be specified with a range such as 2.8 — 12mm or 5–50mm, indicating that the focal length can be varied within these specified intervals — from a wide-angle field of view at the shorter end to a narrower, more telephoto view at the longer end. These lenses are used across inspection, machine vision, robotics, and other precision imaging fields.
Varifocal and zoom lenses allow selection of an effective focal length within a given range such as 6–60mm. Varifocal lenses require refocusing whenever the focal length is adjusted, while zoom lenses maintain focus throughout the adjustment. They are also generally more compact and economical, making them a cost-effective alternative to zoom lenses.
Stock Zoom Lenses
Avantier Inc. offers a diverse range of stock options for manual or motor-controlled versions. Opt for motorized capabilities with lenses equipped with electromotors and controllers for effortless integration into existing systems.
We offer standard lenses with customizable mounts and adapters, providing the advantage of shorter lead times but also delivers cost-effective solutions for your optical requirements.
Long-Wave Infrared (LWIR) Continuous Zoom Lens
| Part Number | Wavelength (μm) | EFL (mm) | F# | FOV | Sensor |
|---|---|---|---|---|---|
| AVTIR-0074 | 8-12 | 15-60 | 0.8-1.0 | 40˚(H)-10.4˚(H) | 640X512,17μm |
| AVTIR-0075 | 8-12 | 20-100 | 1.2 | 24.6˚(H)-6.2˚(H) | 640X512,17μm |
| AVTIR-0076 | 8-12 | 25-75 | 1.2 | 24.6˚(H)-8.3˚(H) | 640X512,17μm,12μm |
| AVTIR-0077 | 8-12 | 30-150 | 0.85/1.2 | 20.5˚(H)-4.1˚(H)/12.4˚(H)-2.5˚(H) | 384X288,17μm |
| AVTIR-0078 | 8-12 | 30-150 | 0.85/1.2 | 20.5˚(H)-4.1˚(H)/12.4˚(H)-2.5˚(H) | 640X480,17μm |
| AVTIR-0079 | 8-12 | 30-150 | 0.85/1.2 | 20.5˚(H)-4.1˚(H) | 640X512,17μm |
| AVTIR-0080 | 8-12 | 25-225 | 1.5 | 24.5˚(H)-2.7˚(H)/14.8˚(H)-1.6˚(H) | 384X288,17μm |
| AVTIR-0081 | 8-12 | 25-225 | 1.5 | 24.5˚(H)-2.7˚(H)/14.8˚(H)-1.6˚(H) | 640X512,17μm |
| AVTIR-0082 | 8-12 | 13/45 | 0.8-1 | 33°(H)/9.7(H) | 640X512,12μm |
| AVTIR-0083 | 8-12 | 15/60 | 0.9-1 | 62(H)/14°(H) | 1024X768,12μm |
| AVTIR-0084 | 8-12 | 25-75 | 1.2 | 25°(H)/8.3°(H) | 640X512,17μm |
| AVTIR-0085 | 8-12 | 20-100 | 1.2 | 30.2(H)/6.1(H) | 640X512,17μm |
| AVTIR-0086 | 8-12 | 30/150 | 0.85/1.2 | 20.5°(H)/4.1(H) | 640X512,17μm |
| AVTIR-0087 | 8-12 | 25/225 | 1.5 | 24.5°(H)/2.7(H) | 640X512,17μm |
Applications for Precision Imaging
Zoom lenses support a range of precision imaging tasks where variable magnification, focal length adjustment, or field-of-view control is required without swapping optics.
- Inspection systems
- Machine Vision
- Robotics
- Medical Imaging
- Surveillance and Security
Durability & Lifespan for Industrial Applications
- Material Construction:
Industrial-grade zoom lenses are often constructed with robust materials such as anodized aluminum housings and tempered glass, resist corrosion, wear , and tear, making the lenses suitable for long-term use in harsh conditions, such as factories, outdoor installations, or high-vibration settings. - Sealed Designs:
Sealed designs are essential in environments like food processing, chemical manufacturing, or outdoor machine vision systems, where exposure to dust, moisture and contaminants could otherwise degrade optical performance over time. - Shock and Vibration Resistance:
Industrial zoom lenses are often designed to withstand mechanical shocks and vibrations that occur in heavy machinery or mobile robotic systems, maintaining their alignment and focus even after prolonged exposure to such conditions. - Thermal Stability:
Durable zoom lenses are engineered to retain their optical performance despite wide temperature fluctuations , using thermal resistant materials or thermal compensation technologies to prevent expansion or contraction that could affect image quality. - Long Operating Life:
Anti-scratch coatings on lens surfaces, high-quality moving parts, and long-lasting lubricants ensure smooth zooming actions over years of use.
Factory Standard
| Focal Length | 19.3-22.6mm |
| Maximum Aperture | F/1.7 (wide) – 2.2 (tele) |
| Imager Format | 0.63″ LCD 1280X768 |
| Zoom Ratio | 1.2 |
| Field Angle | 56° |
| Imager Circle | 21.5mm |
| Distortion | 1.50% |
| Relative Illumination | 80% |
| Projection Range | 1~infinity |
| Lateral Color | <0.7 pixel |
Digital Projection Zoom Lens Example
| Focal length | 56mm-560mm |
| F/# | F5-F30 |
| Imaging size | 8mm |
| Zoom Ratio | 10 |
| Field Angle | 8°-0.8° |
| Distortion | 1% |
| Relative illumination | ＞98% |
| Projection range | Infinity |
| Lateral color | ＜0.2 Pixel |
Custom Zoom Lenses at Avantier
Avantier Inc. offers a diverse range of both custom zoom and varifocal lenses, with options for manual or motor-controlled zoom versions. For those seeking motorized zoom and focusing capabilities, Avantier provides lenses equipped with electromotors and controllers that can seamlessly integrate into existing systems. Customers can select specific motors tailored to their requirements, enabling basic operations like zoom, focus, and iris adjustments.
Contact Avantier if you’d like to schedule a free consultation or request for a quote for your next project.
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