1
Classification by Optical Function
1
Spherical Lens
Characteristics: The surface has a spherical curvature, simple manufacturing process, and low cost, but suffers from spherical aberration and chromatic aberration, with blurred image quality at the edges.
Applications: Low-end surveillance equipment, toy cameras, and other scenarios with low image quality requirements.
2
Aspherical Lens
Characteristics: Uses complex surfaces to eliminate spherical and coma aberrations, reduces the number of lenses, facilitating module miniaturization.
Applications: Main cameras in smartphones, high-end security cameras.
3
Low Dispersion Lens
Characteristics: Uses low dispersion glass to suppress purple/green fringing, enhancing clarity in high-contrast scenes.
Applications: DSLR telephoto lenses, industrial inspection equipment.
4
Freeform Lens
Characteristics: Irregular surface design corrects wide-angle distortion (such as fisheye stretching), replacing multiple lens combinations to reduce module thickness.
Applications: Drone wide-angle lenses, ultra-wide main cameras in smartphones.
2
Classification by Focal Length
1
Wide-Angle Lens
Focal Length: ≤35mm (full-frame equivalent), field of view range 63°-121°.
Advantages: Accommodates more scene elements, enhances perspective depth, suitable for landscape photography and shooting in tight spaces.
Applications: Mall surveillance, VR devices, ultra-wide modules in smartphones.
2
Standard Lens
Focal Length: Approximately 50mm, field of view close to human vision, low distortion rate.
Applications: General photography for digital cameras, video conferencing cameras.
3
Telephoto Lens
Focal Length: ≥70mm, can bring distant objects closer to capture details.
Advantages: Blurs background to highlight the subject, suitable for wildlife and sports event photography.
Technological Evolution: High-magnification optical zoom combined with autofocus technology enhances precision in long-distance monitoring.
3
Classification by Material Process
1
Glass Lens
Characteristics: Light transmittance over 90%, high-temperature aging resistance, but high cost and complex processing.
Applications: DSLR cameras, industrial inspection instruments.
2
Plastic Lens
Characteristics: Made from PMMA/PC materials, easy to mold into aspherical structures, reducing costs by 40%-60%, light transmittance about 85%.
Applications: Smartphones, consumer-grade security devices.
3
Glass-Plastic Hybrid Lens
Structure: 1G4P (1 glass + 4 plastic) combination, balancing chromatic aberration correction and volume control.
Applications: Mid to high-end smartphone main cameras.
4
Special Function Lenses
1
Infrared Filter
Blocks infrared light interference, enhances the purity of visible light imaging, used in night vision security cameras.
2
Variable Aperture Lens
Adjusts aperture size mechanically (e.g., f/1.4-f/16) to adapt to different lighting conditions, enhancing dynamic range.
Huineng Perception Camera Module
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