Fixed Focus Module
Your Professional Camera Module Manufacturer
Guangzhou Sincere Information Technology Ltd. is a professional and high-tech leading company in integrated optical device manufacturer and optical imaging system solution provider since 1992's foundation. We specialize in the production of various camera modules to help you create highly customized camera module solutions, including 0.1mp to 200mp MIPI camera modules and USB camera modules as well as endoscope camera modules with a diameter of 0.9mm~10mm.
Quality Assurance
All our camera modules must be inspected by professional QC, and the products are inspected in strict accordance with national standards before shipment. And the entire process is strictly implemented in accordance with the ISO9001 quality system.
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Advanced Equipment
Professional AA (Active Alignment) equipment manufacturing, COB 100 level dust-free workshop.
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Professional Technical Team
We have been manufacturing camera modules for over 30 years. And we have top professional R&D talents, management talents and sales elites with rich experience.
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Good Service
We provide 1-year replacement and 10-year warranty services. Additionally, we can provide training on how to use the camera module.
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Reasonable Price
We offer competitive price to achieve win-win.
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Fixed focus USB camera module is a USB camera module that enables focus by manually adjusting the lens position. This type of camera module usually does not have an auto-focus function. To obtain clear images, the lens position needs to be manually adjusted physically. This adjustment method does not require complex electronic devices or software support and is simple and intuitive to operate.
Advantages Of Fixed Focus USB Camera Module
Precise and Controllable
Fixed focus can change the focal length by physically adjusting the position of the lens, making the focusing process more precise and controllable. It is particularly suitable for scenarios that require high-precision focusing, such as microphotography, industrial inspection or surveillance.
Strong Adaptability
Fixed focus does not rely on complex algorithms or external devices, so it can work properly without power or network, strong adaptability .
Cost-effectiveness
Fixed focus cameras are usually less costly because they do not require complex autofocus mechanisms and associated sensors. This is a significant advantage for users with limited budgets .
High Reliability
The fixed focus camera has no electronic components involved, reducing the possibility of failure and improving the reliability of the equipment .
Easy to Operate
Although fixed focus requires manual operation, in some cases, such as static shooting or when the shooting environment is known, manual focus can provide more stable and clear images .
Real-time Performance
Autofocus requires time calculation, while manual focus can quickly lock the focus (such as when capturing high-speed moving objects).
Types of Fixed Focus USB Camera Module
IR-CUT Switcher Fixed Focus USB Camera Module
IR-CUT switcher fixed focus USB camera module is a camera module that combines infrared cut-off filter switching technology to provide clear, vivid and detailed images under different lighting conditions.
Macro Fixed Focus USB camera module
The micro-fixed focal length USB camera module is designed for close-range shooting, featuring macro shooting capabilities and the ability to clearly capture small objects such as electronic components, insects, and jewelry.
High Frame Rate Fixed Focus USB camera module
High frame rate camera modules typically support 60fps or higher, such as 120fps, which makes video more fluid, especially when shooting fast-moving objects or motion capture, effectively avoiding stuttering and trailing.
Face Recognition Fixed Focus USB camera module
Face recognition fixed focus USB camera module is a camera module with face recognition technology, mainly used for face recognition and verification to improve security and convenience.
VGA Sensor Fixed Focus USB camera module
VGA sensor fixed focus USB camera module is a camera module that connects to a computer or other device via a USB interface, with a resolution of 640x480 pixels, and is commonly used in scenarios where medium-resolution video capture is required. It is small, light, portable and easy to use.
POS Machine Fixed Focus USB Camera Module
POS machine fixed focus USB camera module is a camera device integrated into POS machines, mainly used for video communication, payment verification and security monitoring functions.
Application of Fixed Focus USB Camera Module
Industrial Inspection and Automation
In the field of industrial inspection, manual focus USB camera modules can be used for precise measurement and quality control.
Research Equipment
In the field of scientific research, manual focusing USB camera modules are often used in devices such as microscopes and telescopes that require high-precision focusing.
High Temperature/High Humidity Environment
Industrial furnace monitoring, underwater equipment (autofocus components are prone to failure).
High-speed Scanner
Shoot books and test papers with a fixed focal length to ensure the text is clear.
Macro Photography
When shooting tiny objects such as jewelry and insects, autofocus is difficult to precisely lock onto, while manual adjustment is more flexible.
Robot Vision
Sorting robots identify items on the conveyor belt at a fixed distance.
Process of Fixed Focus USB Camera Module
● Choose the Appropriate Image Sensor: There are two types of commonly used image sensors, CCD and CIS. CCD sensors perform better in terms of sensitivity, resolution and noise control, but CIS (CMOS sensors) are better suited for the high pixel era due to their low power consumption and high integration .
● Installation and Fixation of the Image Sensor: Install the selected image sensor into the camera module and fix it with appropriate glue or clamps to ensure the stability and accuracy of the sensor .
● Lens Selection and Installation: Select the appropriate lens and ensure that its optical performance meets your requirements. The lens needs to be precisely aligned with the image sensor and adjusted to ensure a clear image output .
● Circuit Design: Design and implement the circuit part of the camera module, including power management, signal processing and transmission, etc. Circuit design needs to take into account factors such as power consumption, signal integrity and reliability .
● Assembly and Dispensing Process: Assemble the image sensor, lens and other components together and fix the parts using the dispensing process. The dispensing process requires precise control of the amount and position of glue to ensure the stability and water resistance of the component .
● Debugging and Testing: After assembly is completed, debug and test the camera to ensure that the image quality, focusing function and transmission performance meet the requirements. Fine-tuning of the lens and focusing mechanism may be required during debugging .
● Implementation of Fixed Focus Mechanism: Add a manual focus mechanism to the camera module, usually by adjusting the lens position to achieve clarity adjustment. This can be done either mechanically or electronically, ensuring that the user can manually adjust the focal length.
Components of Fixed Focus USB Camera Module
The main components of the fixed focus USB camera module include the lens, image sensor, image signal processor, focus mechanism and other auxiliary components.
Lens
A lens is a device that focuses light and focuses it onto an image sensor. It is usually composed of multiple lenses and is used to correct aberrations and improve image quality. The aperture is also included in the lens to control the amount of light entering the lens.
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Image Sensor
An image sensor (such as CMOS or CCD) is responsible for converting optical signals into electrical signals to generate image data. CMOS sensors are widely used for their low power consumption and low cost.
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Image Signal Processor
The image signal processor (ISP) processes the raw data output by the image sensor, including noise reduction, color correction, auto exposure (AE), and auto white balance (AWB).
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Focusing Mechanism
The manual focusing mechanism usually adopts a manual adjustment ring. Users can adjust the focal length of the lens by rotating the ring to achieve clear focusing.
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Other Components
Including interfaces and connectors to communicate with the master chip or other devices.
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How To Cooperate With Us?
Demand Analysis
Communicate requirements with customers
Design Scheme
Design solutions that meet customer needs
Establish Cooperation
Provide camera module drawings and establish cooperation
Make Samples
Camera module proofing according to the design plan
Camera Module Test
Send out samples, and customers will test
Mass Production
After the samples pass the customer's test, mass production begins
Certifications
RoHS, REACH, ISO, CE, FCC
CE
FCC
ISO 9001
REACH
RoHS
FAQ
Q: Are you factory or trade company?
A: We are factory and have our own production line with 100 levels of dust-free workshops professional trained production workers.
Q: What types of USB camera modules do we have?
A: High-pixel USB camera modules, HDR&WDR USB camera modules, global shutter USB camera modules, USB macro modules, IR-CUT switcher USB camera modules, USB wide-angle camera modules, etc.
Q: What is the difference between a fixed focus camera module and an auto focus camera module?
A: Auto focus length: the focal length can be adjusted to adapt to different shooting distances, but the structure is complex and the cost is high.
Fixed focal length lens: fixed focal length, dependent on depth of field to cover the shooting range, suitable for specific scenes, sharp picture quality and low cost.
Q: What is a modular camera?
A: Modular camera is a kind of camera equipment with modular design, whose core components such as lenses, sensors, processors, interfaces, etc. can be independently configured or replaced, and combined into a complete system through standardized interfaces. This design gives the equipment a high degree of flexibility and customizability, suitable for the need to quickly adapt to different scenarios in the professional field.
Q: How does an Fixed Focus camera module work?
A: The fixed focus camera module converges the light to the image sensor through the lens, and the sensor converts the optical signal into an electrical signal, which is processed by the internal image processor and digital signal processor, and finally outputs the standard image signal.
Q: What are the effects of different lens types on the camera module?
A: Wide-angle lens: suitable for large scene monitoring (such as corridors, warehouses), large depth of field, edge distortion needs to be corrected.
Telephoto lens: Used for long-distance shooting (such as traffic monitoring), it is necessary to note that background blurring may obscure details.
Fixed focus lens: Sharp imaging but dependent on the depth of field design, need to accurately calculate the hyperfocal length.
Q: How do I choose a fixed focus camera USB module?
A: When selecting a fixed focal length camera module, factors such as shooting distance, resolution, optical size, and interface type need to be considered. According to the actual needs, choose the appropriate module to ensure the image quality and stability.
Q: What advanced features does the USB camera module support?
A: HDR mode: Fuses multi-frame images to enhance light and dark details (such as backlight scenes).
Electronic Anti-shake (EIS) : The algorithm corrects the jitter to improve the dynamic shooting effect.
Automatic white balance: Adapt to different light sources and restore true colors.
AI scene recognition: Automatic optimization of parameters (such as portrait, night scene mode).
Q: What is a camera sensor module?
A: Camera sensor module is an integrated imaging component that integrates image sensor, lens and processor to convert optical images into digital signals. It adopts CMOS or CCD sensor with optical lens and image processing chip, and outputs image through USB or MIPI interface, which is widely used in monitoring, industrial inspection and other fields with small size and plug-and-play characteristics.
Q: What are the differences between a USB camera module and a stereo camera module?
A: USB camera module
Single-lens: It is usually composed of a single lens and an image sensor (such as the OV series, SONY IMX series).
Simple circuit: Integrated USB interface controller, directly outputs 2D images.
Versatility: Supports plug-and-play and is compatible with most operating systems (such as Windows/Linux/Android).
Stereo camera module
Dual (or multiple) lenses: Consisting of two independent lenses with a fixed baseline distance (such as the Intel RealSense D400 series).
Depth computing unit: It may be equipped with a dedicated chip (such as FPGA or ASIC) to calculate depth maps in real time.
Additional sensors: Some modules are equipped with infrared transmitters, IMUs (Inertial Measurement Units), and other auxiliary depth perception devices.