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- Fixed Focal Length: 6mm focal length provides a wide-angle field of view suitable for general surveillance, monitoring, and imaging applications.
- Fast Aperture: Bright F1.4 maximum aperture ensures excellent low-light performance and high image brightness, enabling clear imaging in dimly lit environments.
- Auto Iris (DC Type): Equipped with a DC-controlled automatic iris mechanism that adjusts aperture size in real time according to scene brightness, maintaining optimal exposure without manual intervention.
- High Optical Quality: Precision-ground glass elements with multi-layer coatings minimize distortion, chromatic aberration, and flare, ensuring sharp, high-contrast images across the frame.
- Durable Construction: Metal housing and precision mechanical components provide long service life and stable optical alignment, even under continuous operation.
- Made in Japan: Manufactured under Tokina’s strict quality control standards, ensuring consistent optical performance and mechanical reliability.
- Compatibility: Designed for use with standard CCTV and machine vision cameras supporting DC auto iris control, typically with 1/3" or 1/2" image sensors.
- Compact Design: Lightweight and compact form factor allows easy integration into camera housings and systems with limited space.
- Fast Aperture: Bright F1.4 maximum aperture ensures excellent low-light performance and high image brightness, enabling clear imaging in dimly lit environments.
- Auto Iris (DC Type): Equipped with a DC-controlled automatic iris mechanism that adjusts aperture size in real time according to scene brightness, maintaining optimal exposure without manual intervention.
- High Optical Quality: Precision-ground glass elements with multi-layer coatings minimize distortion, chromatic aberration, and flare, ensuring sharp, high-contrast images across the frame.
- Durable Construction: Metal housing and precision mechanical components provide long service life and stable optical alignment, even under continuous operation.
- Made in Japan: Manufactured under Tokina’s strict quality control standards, ensuring consistent optical performance and mechanical reliability.
- Compatibility: Designed for use with standard CCTV and machine vision cameras supporting DC auto iris control, typically with 1/3" or 1/2" image sensors.
- Compact Design: Lightweight and compact form factor allows easy integration into camera housings and systems with limited space.
1. Product Overview
Product Name: Tokina 6mm Auto Iris Lens
Model: TC0614DC
Series: TC Series Fixed Focal Length Lenses
Article Number: TC0614DC
Manufacturer: Tokina Co., Ltd. (Japan)
The Tokina TC0614DC is a precision-engineered fixed focal length lens designed for professional imaging and surveillance applications. Manufactured in Japan, this lens combines Tokina’s optical expertise with robust mechanical construction to deliver consistent image quality, reliable performance, and long-term durability. The TC0614DC features a 6mm focal length, a fast maximum aperture of F1.4, and an automatic DC-controlled iris mechanism, making it ideal for environments with variable lighting conditions. It is part of Tokina’s high-performance CCTV and machine vision lens lineup, optimized for use with standard-format image sensors in security cameras, industrial inspection systems, and other optical imaging devices.
2. Key Features
- Fixed Focal Length: 6mm focal length provides a wide-angle field of view suitable for general surveillance, monitoring, and imaging applications.
- Fast Aperture: Bright F1.4 maximum aperture ensures excellent low-light performance and high image brightness, enabling clear imaging in dimly lit environments.
- Auto Iris (DC Type): Equipped with a DC-controlled automatic iris mechanism that adjusts aperture size in real time according to scene brightness, maintaining optimal exposure without manual intervention.
- High Optical Quality: Precision-ground glass elements with multi-layer coatings minimize distortion, chromatic aberration, and flare, ensuring sharp, high-contrast images across the frame.
- Durable Construction: Metal housing and precision mechanical components provide long service life and stable optical alignment, even under continuous operation.
- Made in Japan: Manufactured under Tokina’s strict quality control standards, ensuring consistent optical performance and mechanical reliability.
- Compatibility: Designed for use with standard CCTV and machine vision cameras supporting DC auto iris control, typically with 1/3" or 1/2" image sensors.
- Compact Design: Lightweight and compact form factor allows easy integration into camera housings and systems with limited space.
3. Technical Specifications
- Model: TC0614DC
- Focal Length: 6mm
- Aperture Range: F1.4 to F64 (auto iris control)
- Iris Type: DC-controlled auto iris (electronic drive)
- Focus Type: Manual focus adjustment
- Mount Type: C-mount (standard 1"–32UN 2A thread)
- Image Format Compatibility: 1/3" and 1/2" CCD/CMOS sensors (typical)
- Field of View (approx.):
- 1/3" sensor: ~53° horizontal × 40° vertical
- 1/2" sensor: ~65° horizontal × 50° vertical
- Minimum Object Distance (MOD): Approximately 0.2 m (200 mm)
- Optical Construction: Multi-element, multi-group design (specific element count proprietary)
- Filter Thread: M27 × 0.5 (if applicable)
- Dimensions (approx.):
- Length: 40–45 mm (depending on focus setting)
- Diameter: 30–35 mm
- Weight: Approximately 60–80 g
- Material: Metal housing (aluminum alloy) with glass optical elements
- Operating Temperature Range: –10°C to +50°C (typical)
- Country of Origin: Japan
4. Functionality
The Tokina TC0614DC operates as a fixed focal length imaging lens with an electronically controlled iris mechanism. The DC auto iris receives a control signal from the camera’s iris drive circuit, which adjusts the aperture blades to maintain consistent image brightness as ambient light levels change. This automatic exposure control is essential for outdoor or variable-light environments, such as surveillance systems exposed to daylight transitions or industrial inspection lines with fluctuating illumination.
The lens provides manual focus adjustment via a precision helicoid ring, allowing users to fine-tune focus for the specific working distance and sensor format. Once set, the focus remains stable due to the lens’s robust mechanical design. The wide 6mm focal length delivers a broad field of view, making it suitable for monitoring large areas or capturing wide scenes.
Typical Use Cases and Applications:
- CCTV and IP surveillance cameras (indoor/outdoor)
- Industrial machine vision systems
- Automated inspection and quality control
- Robotics and automation imaging
- Traffic monitoring and security systems
- Scientific imaging setups requiring wide-angle coverage
Compatibility:
The TC0614DC is compatible with cameras that support DC auto iris control signals and feature a C-mount interface. It can be used with both analog and digital cameras, including CCD and CMOS sensor types, within the supported image format range.
5. Components & Accessories
Included Items:
- Tokina TC0614DC lens unit
- Rear lens cap (C-mount protective cap)
- Front lens cap (optical element protection)
- Documentation (basic specification sheet or user note)
Optional Accessories:
- C-mount extension rings for macro or close-focus applications
- Lens mounts or adapters for CS-mount cameras (using C-to-CS adapter ring)
- Protective filters (UV, IR-cut, or clear glass) with M27 × 0.5 thread
- Lens holders or brackets for fixed installations
- Cable harness for DC iris connection (if not integrated with camera)
Connectors:
- DC auto iris connector (typically 4-pin or 3-pin plug, depending on camera interface)
- Standard C-mount thread for mechanical attachment to camera body
6. Installation & Setup
Requirements:
- Compatible camera with C-mount interface and DC auto iris control output
- Stable mounting platform or camera housing
- Power supply and control circuitry for camera and iris drive
Mounting Options:
The lens attaches directly to the camera’s C-mount via threaded coupling. For CS-mount cameras, a 5mm C-to-CS adapter ring is required to achieve correct back-focus distance. The lens can be mounted in any orientation, though care should be taken to avoid mechanical stress on the iris cable or connector.
Configuration Steps:
1. Ensure the camera is powered off before installation.
2. Remove protective caps from the lens and camera mount.
3. Thread the lens onto the camera mount until snug; do not overtighten.
4. Connect the DC iris cable to the camera’s iris control socket.
5. Power on the camera and observe image brightness; the iris should adjust automatically.
6. Manually adjust focus using the focus ring while viewing the live image.
7. Lock focus if the lens includes a focus lock screw.
8. Verify image sharpness and exposure across lighting conditions.
Maintenance Considerations:
- Keep optical surfaces clean using lens-safe cleaning materials.
- Avoid exposure to moisture or dust when not in use.
- Periodically check mechanical tightness and connector integrity.
7. Performance & Capabilities
Optical Performance:
The TC0614DC delivers high-resolution imaging with minimal distortion, optimized for modern high-sensitivity sensors. The F1.4 aperture allows for excellent light transmission, ensuring bright, detailed images even under low illumination. The multi-coated optics reduce internal reflections and ghosting, maintaining contrast and color fidelity.
Speed and Responsiveness:
The DC auto iris mechanism responds rapidly to changes in scene brightness, providing smooth exposure transitions without flicker. This is particularly beneficial for outdoor surveillance where lighting can vary dramatically between day and night.
Capacity and Efficiency:
The lens’s wide-angle coverage enables monitoring of large areas with a single camera, reducing the number of cameras required for full coverage. Its optical efficiency ensures minimal light loss, maximizing sensor performance.
Limitations:
- Fixed focal length limits zoom capability; framing adjustments require physical repositioning.
- Designed primarily for small-format sensors (1/3"–1/2"); not suitable for large-format cameras.
- Auto iris requires compatible DC control signal; not functional with video-type (EE) iris systems.
8. Standards & Compliance
Certifications and Compliance:
- Manufactured in accordance with Tokina’s ISO 9001 quality management standards.
- Complies with RoHS (Restriction of Hazardous Substances) directives for environmental safety.
- Meets CE marking requirements for electromagnetic compatibility when integrated into compliant camera systems.
- Designed to conform to standard C-mount mechanical and optical interface specifications (JIS B 7123).
Industry Standards:
- C-mount thread: 1"–32UN 2A (standardized optical mount)
- DC auto iris control: conforms to common CCTV camera control voltage specifications (approx. ±1.5–2.5 V DC drive)
- Optical design optimized for visible light spectrum (400–700 nm)
9. Additional Information
Warranty:
Tokina typically provides a limited manufacturer’s warranty covering defects in materials and workmanship for a specified period (commonly one year from date of purchase). Warranty terms may vary by region or distributor.
Support:
Technical support and product documentation are available through authorized Tokina distributors and service centers. Users can access installation guides, mechanical drawings, and compatibility charts upon request.
Maintenance:
Routine maintenance involves keeping the lens clean and ensuring the iris mechanism operates smoothly. Avoid disassembly or lubrication unless performed by qualified service personnel. Store the lens in a dry, dust-free environment when not in use.
Firmware/Software Updates:
As a purely optical component with mechanical iris control, the TC0614DC does not require firmware updates. However, camera firmware may influence iris control behavior; users should ensure camera firmware is up to date for optimal compatibility.
Service and Replacement Parts:
Replacement front and rear caps, iris connectors, and mounting accessories are available through Tokina’s authorized service network. In case of damage or performance degradation, factory recalibration or repair services can restore optical alignment and iris functionality.
Environmental and Operational Notes:
The lens is designed for stable operation in standard indoor and outdoor environments. For extreme conditions (e.g., high humidity, vibration, or temperature extremes), protective housings or environmental enclosures are recommended. The robust metal construction ensures mechanical stability and resistance to wear over extended use.
Summary
The Tokina TC0614DC 6mm F1.4~64 Auto Iris (DC) Lens is a high-quality, Japanese-made optical component engineered for professional imaging systems requiring reliable automatic exposure control and wide-angle coverage. Its combination of a bright F1.4 aperture, DC-driven auto iris, and precision optical design makes it an excellent choice for CCTV, industrial, and scientific imaging applications. With durable construction, standard C-mount compatibility, and consistent optical performance, the TC0614DC exemplifies Tokina’s commitment to precision optics and long-term reliability in demanding visual environments.
Product Name: Tokina 6mm Auto Iris Lens
Model: TC0614DC
Series: TC Series Fixed Focal Length Lenses
Article Number: TC0614DC
Manufacturer: Tokina Co., Ltd. (Japan)
The Tokina TC0614DC is a precision-engineered fixed focal length lens designed for professional imaging and surveillance applications. Manufactured in Japan, this lens combines Tokina’s optical expertise with robust mechanical construction to deliver consistent image quality, reliable performance, and long-term durability. The TC0614DC features a 6mm focal length, a fast maximum aperture of F1.4, and an automatic DC-controlled iris mechanism, making it ideal for environments with variable lighting conditions. It is part of Tokina’s high-performance CCTV and machine vision lens lineup, optimized for use with standard-format image sensors in security cameras, industrial inspection systems, and other optical imaging devices.
2. Key Features
- Fixed Focal Length: 6mm focal length provides a wide-angle field of view suitable for general surveillance, monitoring, and imaging applications.
- Fast Aperture: Bright F1.4 maximum aperture ensures excellent low-light performance and high image brightness, enabling clear imaging in dimly lit environments.
- Auto Iris (DC Type): Equipped with a DC-controlled automatic iris mechanism that adjusts aperture size in real time according to scene brightness, maintaining optimal exposure without manual intervention.
- High Optical Quality: Precision-ground glass elements with multi-layer coatings minimize distortion, chromatic aberration, and flare, ensuring sharp, high-contrast images across the frame.
- Durable Construction: Metal housing and precision mechanical components provide long service life and stable optical alignment, even under continuous operation.
- Made in Japan: Manufactured under Tokina’s strict quality control standards, ensuring consistent optical performance and mechanical reliability.
- Compatibility: Designed for use with standard CCTV and machine vision cameras supporting DC auto iris control, typically with 1/3" or 1/2" image sensors.
- Compact Design: Lightweight and compact form factor allows easy integration into camera housings and systems with limited space.
3. Technical Specifications
- Model: TC0614DC
- Focal Length: 6mm
- Aperture Range: F1.4 to F64 (auto iris control)
- Iris Type: DC-controlled auto iris (electronic drive)
- Focus Type: Manual focus adjustment
- Mount Type: C-mount (standard 1"–32UN 2A thread)
- Image Format Compatibility: 1/3" and 1/2" CCD/CMOS sensors (typical)
- Field of View (approx.):
- 1/3" sensor: ~53° horizontal × 40° vertical
- 1/2" sensor: ~65° horizontal × 50° vertical
- Minimum Object Distance (MOD): Approximately 0.2 m (200 mm)
- Optical Construction: Multi-element, multi-group design (specific element count proprietary)
- Filter Thread: M27 × 0.5 (if applicable)
- Dimensions (approx.):
- Length: 40–45 mm (depending on focus setting)
- Diameter: 30–35 mm
- Weight: Approximately 60–80 g
- Material: Metal housing (aluminum alloy) with glass optical elements
- Operating Temperature Range: –10°C to +50°C (typical)
- Country of Origin: Japan
4. Functionality
The Tokina TC0614DC operates as a fixed focal length imaging lens with an electronically controlled iris mechanism. The DC auto iris receives a control signal from the camera’s iris drive circuit, which adjusts the aperture blades to maintain consistent image brightness as ambient light levels change. This automatic exposure control is essential for outdoor or variable-light environments, such as surveillance systems exposed to daylight transitions or industrial inspection lines with fluctuating illumination.
The lens provides manual focus adjustment via a precision helicoid ring, allowing users to fine-tune focus for the specific working distance and sensor format. Once set, the focus remains stable due to the lens’s robust mechanical design. The wide 6mm focal length delivers a broad field of view, making it suitable for monitoring large areas or capturing wide scenes.
Typical Use Cases and Applications:
- CCTV and IP surveillance cameras (indoor/outdoor)
- Industrial machine vision systems
- Automated inspection and quality control
- Robotics and automation imaging
- Traffic monitoring and security systems
- Scientific imaging setups requiring wide-angle coverage
Compatibility:
The TC0614DC is compatible with cameras that support DC auto iris control signals and feature a C-mount interface. It can be used with both analog and digital cameras, including CCD and CMOS sensor types, within the supported image format range.
5. Components & Accessories
Included Items:
- Tokina TC0614DC lens unit
- Rear lens cap (C-mount protective cap)
- Front lens cap (optical element protection)
- Documentation (basic specification sheet or user note)
Optional Accessories:
- C-mount extension rings for macro or close-focus applications
- Lens mounts or adapters for CS-mount cameras (using C-to-CS adapter ring)
- Protective filters (UV, IR-cut, or clear glass) with M27 × 0.5 thread
- Lens holders or brackets for fixed installations
- Cable harness for DC iris connection (if not integrated with camera)
Connectors:
- DC auto iris connector (typically 4-pin or 3-pin plug, depending on camera interface)
- Standard C-mount thread for mechanical attachment to camera body
6. Installation & Setup
Requirements:
- Compatible camera with C-mount interface and DC auto iris control output
- Stable mounting platform or camera housing
- Power supply and control circuitry for camera and iris drive
Mounting Options:
The lens attaches directly to the camera’s C-mount via threaded coupling. For CS-mount cameras, a 5mm C-to-CS adapter ring is required to achieve correct back-focus distance. The lens can be mounted in any orientation, though care should be taken to avoid mechanical stress on the iris cable or connector.
Configuration Steps:
1. Ensure the camera is powered off before installation.
2. Remove protective caps from the lens and camera mount.
3. Thread the lens onto the camera mount until snug; do not overtighten.
4. Connect the DC iris cable to the camera’s iris control socket.
5. Power on the camera and observe image brightness; the iris should adjust automatically.
6. Manually adjust focus using the focus ring while viewing the live image.
7. Lock focus if the lens includes a focus lock screw.
8. Verify image sharpness and exposure across lighting conditions.
Maintenance Considerations:
- Keep optical surfaces clean using lens-safe cleaning materials.
- Avoid exposure to moisture or dust when not in use.
- Periodically check mechanical tightness and connector integrity.
7. Performance & Capabilities
Optical Performance:
The TC0614DC delivers high-resolution imaging with minimal distortion, optimized for modern high-sensitivity sensors. The F1.4 aperture allows for excellent light transmission, ensuring bright, detailed images even under low illumination. The multi-coated optics reduce internal reflections and ghosting, maintaining contrast and color fidelity.
Speed and Responsiveness:
The DC auto iris mechanism responds rapidly to changes in scene brightness, providing smooth exposure transitions without flicker. This is particularly beneficial for outdoor surveillance where lighting can vary dramatically between day and night.
Capacity and Efficiency:
The lens’s wide-angle coverage enables monitoring of large areas with a single camera, reducing the number of cameras required for full coverage. Its optical efficiency ensures minimal light loss, maximizing sensor performance.
Limitations:
- Fixed focal length limits zoom capability; framing adjustments require physical repositioning.
- Designed primarily for small-format sensors (1/3"–1/2"); not suitable for large-format cameras.
- Auto iris requires compatible DC control signal; not functional with video-type (EE) iris systems.
8. Standards & Compliance
Certifications and Compliance:
- Manufactured in accordance with Tokina’s ISO 9001 quality management standards.
- Complies with RoHS (Restriction of Hazardous Substances) directives for environmental safety.
- Meets CE marking requirements for electromagnetic compatibility when integrated into compliant camera systems.
- Designed to conform to standard C-mount mechanical and optical interface specifications (JIS B 7123).
Industry Standards:
- C-mount thread: 1"–32UN 2A (standardized optical mount)
- DC auto iris control: conforms to common CCTV camera control voltage specifications (approx. ±1.5–2.5 V DC drive)
- Optical design optimized for visible light spectrum (400–700 nm)
9. Additional Information
Warranty:
Tokina typically provides a limited manufacturer’s warranty covering defects in materials and workmanship for a specified period (commonly one year from date of purchase). Warranty terms may vary by region or distributor.
Support:
Technical support and product documentation are available through authorized Tokina distributors and service centers. Users can access installation guides, mechanical drawings, and compatibility charts upon request.
Maintenance:
Routine maintenance involves keeping the lens clean and ensuring the iris mechanism operates smoothly. Avoid disassembly or lubrication unless performed by qualified service personnel. Store the lens in a dry, dust-free environment when not in use.
Firmware/Software Updates:
As a purely optical component with mechanical iris control, the TC0614DC does not require firmware updates. However, camera firmware may influence iris control behavior; users should ensure camera firmware is up to date for optimal compatibility.
Service and Replacement Parts:
Replacement front and rear caps, iris connectors, and mounting accessories are available through Tokina’s authorized service network. In case of damage or performance degradation, factory recalibration or repair services can restore optical alignment and iris functionality.
Environmental and Operational Notes:
The lens is designed for stable operation in standard indoor and outdoor environments. For extreme conditions (e.g., high humidity, vibration, or temperature extremes), protective housings or environmental enclosures are recommended. The robust metal construction ensures mechanical stability and resistance to wear over extended use.
Summary
The Tokina TC0614DC 6mm F1.4~64 Auto Iris (DC) Lens is a high-quality, Japanese-made optical component engineered for professional imaging systems requiring reliable automatic exposure control and wide-angle coverage. Its combination of a bright F1.4 aperture, DC-driven auto iris, and precision optical design makes it an excellent choice for CCTV, industrial, and scientific imaging applications. With durable construction, standard C-mount compatibility, and consistent optical performance, the TC0614DC exemplifies Tokina’s commitment to precision optics and long-term reliability in demanding visual environments.
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