🔄 Zoom Lenses – Precision Variable Focus Optics by Yighen

Custom Zoom Lens Design & Manufacturing for Imaging, Laser & Sensing Systems

🔍 What Is a Zoom Lens?

Zoom lenses are multi-element optical assemblies that provide continuous variable magnification, allowing users to adjust field of view without changing the working distance. Compared to fixed focal lenses, zoom optics offer unmatched flexibility, system integration, and cost efficiency.

Whether you're building a machine vision system, projection module, SWIR imager, or scientific instrument, Yighen's zoom lenses are custom-optimized for resolution, distortion, and athermal behavior across their full zoom range.

🏆 Why Choose Yighen for Custom Zoom Lenses?

✅ Full-Custom Optical Design – Focal lengths, zoom ratios, and apertures tailored to your system
✅ Opto-Mechanical Integration – Zoom cams, focus groups, barrel design & locking mechanisms
✅ Low Distortion + High MTF – Optimized across the entire zoom travel
✅ Sensor Matching – Supports CMOS, CCD, InGaAs, microbolometers & more
✅ Temperature-Stable Performance – Athermalization for 0–70°C or –40–85°C ranges
✅ From Prototype to Mass Production – Backed by in-house ultra-precision optics factory

⚙️ Technical Capabilities – Custom Zoom Lens Parameters

🛠️ Zoom lens structures include:

• Push-pull or rotating cam zooming

• Athermalized zoom + focus modules

• High-precision lens centering (<3 µm)

• Ruggedized opto-mechanics for vibration & temperature extremes

🧪 Yighen’s Manufacturing Strengths

We are not just a design house—Yighen manufactures key zoom lens components at our Dongguan ultra-precision facility:

🔷 Toshiba ULC-100F(S) Diamond Turning – Ra 0.001 μm, Pv 0.010 μm
🔷 NanoTech 250 for freeform aspheres & non-rotational elements
🔷 CNC barrel machining, HAUSER jig grinding, and precision threading
🔷 AR/DLC coatings, cleanroom bonding, and ISO 13485-certified QA

Our optical-mechanical teams work hand-in-hand, enabling closed-loop tolerancing, rapid prototyping, and full-process validation.

🧠 Zoom Lens Design Applications

📈 Case Study: Athermal SWIR Zoom Lens for UAV Surveillance

Client: Aerospace imaging OEM
Challenge: Lightweight 5× zoom lens with high MTF across 0.9–1.7 μm
Solution: 25–125 mm zoom, 85% transmission, 1.5% distortion, optimized for InGaAs
Result: 15 MP SWIR imaging at 15 fps, stable across –30 to +60°C

🧾 Certifications & Support

• ✅ ISO 9001 / 13485 Certified Production

• 🔬 Lens assembly, bonding & interferometric testing

• 📄 STEP files, drawings, optical specs and MTF reports

• 🔄 Reverse engineering for legacy zoom lenses available

🔍 High-Precision Zoom Optics—Custom-Built to Your Specifications

Yighen develops custom zoom lenses for machine vision, inspection, AR/VR, and scientific imaging—combining variable focal length with stable resolution, parfocal tracking, and compact integration.

📩 Request a Custom Zoom Lens
Tell us your FOV, wavelength, zoom ratio, and sensor type. We’ll deliver a zoom assembly optimized for optical clarity and mechanical precision.

📘 Download Specs and Layouts
Access Downloads for sample drawings, focusing group configurations, and zoom tolerance models.

🏢 Why Yighen?
Our About page details our in-house capabilities—from optical design and CNC barrel machining to full module integration and testing.

🔗 Related Content

• 🔭 Fixed Focal Length Lenses
  When zoom isn’t needed, explore our high-resolution fixed lenses.

• 🧩 Opto-Mechanical Modules
  Integration-ready zoom modules with precision cam-driven or motorized mechanics.

• 🔬 Optical Engineering Services
  Simulation, tolerancing, and modular design for variable optics.

• 🎯 Telecentric Lenses
  Alternative optics for consistent magnification across depth.

• 🔎 Optical Metrology & Testing
  We validate parfocality, back focal length tracking, and distortion metrics.