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- Wide-Angle 2.8 mm Focal Length: Provides a broad field of view suitable for wide-area monitoring, security cameras, and industrial vision systems.
- Fast Aperture (F 1.4): Ensures excellent low-light performance, allowing high-quality imaging in dim environments.
- Extended Aperture Range (F 1.4 – F 64): Offers precise control over depth of field and exposure, accommodating both bright and low-light conditions.
- DC Auto Iris Control: Automatically adjusts the aperture based on the video signal’s DC level, maintaining optimal brightness and contrast without manual intervention.
- High Optical Quality: Designed with Tokina’s advanced optical glass elements and coatings to minimize distortion, chromatic aberration, and flare.
- Compact and Lightweight Construction: Optimized for integration into compact camera housings and embedded imaging systems.
- Durable Metal Housing: Ensures mechanical stability and long-term reliability in continuous operation environments.
- Made in Japan: Reflects Tokina’s precision manufacturing standards and quality assurance processes.
- Fast Aperture (F 1.4): Ensures excellent low-light performance, allowing high-quality imaging in dim environments.
- Extended Aperture Range (F 1.4 – F 64): Offers precise control over depth of field and exposure, accommodating both bright and low-light conditions.
- DC Auto Iris Control: Automatically adjusts the aperture based on the video signal’s DC level, maintaining optimal brightness and contrast without manual intervention.
- High Optical Quality: Designed with Tokina’s advanced optical glass elements and coatings to minimize distortion, chromatic aberration, and flare.
- Compact and Lightweight Construction: Optimized for integration into compact camera housings and embedded imaging systems.
- Durable Metal Housing: Ensures mechanical stability and long-term reliability in continuous operation environments.
- Made in Japan: Reflects Tokina’s precision manufacturing standards and quality assurance processes.
1. Product Overview
Product Name: Tokina TC2814DC Lens
Model Number: TC2814DC
Series: Tokina Fixed Focal Length DC Auto Iris Lens Series
Article Number: TC2814DC
Manufacturer: Tokina Co., Ltd. (Japan)
Country of Origin: Japan
The Tokina TC2814DC is a precision-engineered optical lens designed for professional imaging and surveillance applications. It features a 2.8 mm focal length and a fast aperture range of F 1.4 to F 64, providing exceptional light control and image clarity across a wide range of lighting conditions. The lens incorporates a DC-controlled auto iris mechanism, enabling automatic adjustment of the aperture in response to changing illumination levels. Manufactured in Japan, the TC2814DC reflects Tokina’s long-standing expertise in optical design, mechanical precision, and imaging performance.
2. Key Features
- Wide-Angle 2.8 mm Focal Length: Provides a broad field of view suitable for wide-area monitoring, security cameras, and industrial vision systems.
- Fast Aperture (F 1.4): Ensures excellent low-light performance, allowing high-quality imaging in dim environments.
- Extended Aperture Range (F 1.4 – F 64): Offers precise control over depth of field and exposure, accommodating both bright and low-light conditions.
- DC Auto Iris Control: Automatically adjusts the aperture based on the video signal’s DC level, maintaining optimal brightness and contrast without manual intervention.
- High Optical Quality: Designed with Tokina’s advanced optical glass elements and coatings to minimize distortion, chromatic aberration, and flare.
- Compact and Lightweight Construction: Optimized for integration into compact camera housings and embedded imaging systems.
- Durable Metal Housing: Ensures mechanical stability and long-term reliability in continuous operation environments.
- Made in Japan: Reflects Tokina’s precision manufacturing standards and quality assurance processes.
3. Technical Specifications
- Model: TC2814DC
- Focal Length: 2.8 mm
- Aperture Range: F 1.4 – F 64 (auto iris adjustable)
- Iris Type: DC-controlled auto iris
- Lens Mount: Typically CS-mount (standard for CCTV and industrial cameras; confirm with manufacturer)
- Image Format Compatibility: 1/3" or 1/2" image sensors (depending on camera configuration)
- Field of View (approx.):
- Horizontal: ~90°–100° (on 1/3" sensor)
- Vertical: ~70°–75° (on 1/3" sensor)
- Focus Type: Manual focus with lock mechanism
- Iris Control Signal: DC drive (requires camera with DC iris output)
- Minimum Object Distance (MOD): Typically around 0.3 m (varies slightly by configuration)
- Optical Construction: Multi-element, multi-group design using high-transmission optical glass
- Coating: Multi-layer anti-reflective coating for improved contrast and reduced flare
- Housing Material: Precision-machined aluminum alloy
- Finish: Black anodized surface for durability and reflection suppression
- Dimensions (approx.):
- Length: ~40 – 45 mm
- Diameter: ~30 – 35 mm
- Weight: Approximately 60 – 80 g
- Operating Temperature Range: −10 °C to +50 °C (typical for surveillance lenses)
4. Functionality
The Tokina TC2814DC operates as a wide-angle imaging lens optimized for use with CCTV, IP, and industrial cameras. Its DC auto iris mechanism dynamically adjusts the aperture in response to the camera’s control signal, ensuring consistent image brightness even under fluctuating lighting conditions. The lens’s 2.8 mm focal length provides a wide field of view, making it ideal for monitoring large areas such as building entrances, parking lots, warehouses, or production lines.
Use Cases and Applications:
- Security and Surveillance: Suitable for fixed-position cameras in indoor or outdoor environments.
- Industrial Vision Systems: Used in machine vision setups requiring wide coverage and consistent exposure.
- Traffic Monitoring: Effective for capturing wide scenes such as intersections or toll booths.
- Retail and Commercial Spaces: Provides comprehensive coverage for loss prevention and customer flow analysis.
- Broadcast and Studio Systems: Can be used in specialized setups requiring wide-angle coverage and automatic exposure control.
Compatibility:
The TC2814DC is compatible with cameras supporting DC auto iris control and standard CS-mount interfaces. It can be integrated with analog CCTV cameras, digital IP cameras, and industrial vision systems that provide the necessary iris drive signal.
5. Components & Accessories
Included Items:
- Tokina TC2814DC Lens (main unit)
- Rear lens cap (protective cover for mount)
- Front lens cap (protective cover for optics)
- Integrated DC iris cable (for connection to camera control port)
- User documentation or specification sheet (depending on distributor)
Optional Accessories:
- CS-to-C adapter (for C-mount cameras)
- Lens hood or sunshade (to reduce glare in outdoor installations)
- Mounting brackets or lens holders for fixed installations
- Cleaning kit for optical maintenance
Connectors:
- DC iris connector (typically 4-pin or 3-pin plug, depending on camera model)
- Standard CS-mount thread (1"-32 UN 2A)
6. Installation & Setup
Requirements:
- Compatible camera with DC auto iris output
- CS-mount interface or appropriate adapter
- Stable mounting platform or camera housing
Mounting Options:
- Direct CS-mount attachment to camera body
- Use of C-to-CS adapter ring if required
- Integration into dome housings or protective enclosures
Configuration Steps:
1. Mounting: Attach the lens to the camera’s CS-mount and secure it by rotating clockwise until snug.
2. Connection: Plug the DC iris connector into the camera’s iris control socket.
3. Focus Adjustment: Power on the camera, display the live image, and manually adjust the focus ring until the image is sharp.
4. Iris Calibration: The DC iris automatically adjusts; verify that the aperture responds correctly to changes in light.
5. Locking: Tighten the focus and iris lock screws (if provided) to maintain settings.
Installation Notes:
- Avoid touching the optical surfaces during installation.
- Ensure the lens is mounted securely to prevent vibration or misalignment.
- For outdoor use, pair with weatherproof housings to protect against moisture and dust.
7. Performance & Capabilities
Optical Performance:
The TC2814DC delivers high-resolution imaging with minimal distortion, optimized for wide-angle coverage. The fast F 1.4 aperture ensures bright, clear images even in low-light conditions, while the extended F 64 limit allows precise exposure control in bright daylight.
Speed and Responsiveness:
The DC auto iris mechanism provides rapid response to illumination changes, maintaining consistent image brightness without lag. This is particularly beneficial in environments with variable lighting, such as entrances or outdoor scenes.
Capacity and Efficiency:
- Light Transmission: High-efficiency optical coatings maximize light throughput.
- Depth of Field Control: Wide aperture range enables flexible depth of field management, from shallow focus to extended clarity.
- Distortion Control: Engineered to minimize barrel distortion typical of wide-angle lenses.
Limitations:
- Fixed focal length (no zoom capability).
- Requires camera with DC iris control (not compatible with video-type auto iris systems).
- Optimal performance depends on correct back-focus adjustment and sensor size matching.
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 industry-standard CS-mount mechanical specifications.
Industry Standards:
- CS-mount thread: 1"-32 UN 2A (standardized for CCTV and industrial cameras).
- DC auto iris control: conforms to EIAJ and IEC standards for camera-lens interface signaling.
9. Additional Information
Warranty:
Typically covered by Tokina’s standard limited warranty (duration varies by region and distributor, commonly 1 year). The warranty covers manufacturing defects and optical performance issues under normal usage conditions.
Support:
Technical support and product documentation are available through authorized Tokina distributors and service centers. Installation guides, wiring diagrams, and compatibility charts can be obtained from Tokina’s official support channels.
Maintenance:
- Clean optical surfaces with a soft, lint-free cloth and approved lens cleaning solution.
- Avoid exposure to excessive humidity or direct sunlight when not in use.
- Periodically inspect the iris mechanism and connector for dust or corrosion.
Updates and Product Lifecycle:
The TC2814DC is part of Tokina’s ongoing line of professional-grade CCTV and industrial lenses. Firmware updates are not applicable, as the lens operates through analog DC control. However, Tokina periodically refines optical coatings and mechanical tolerances in newer production batches to maintain performance consistency.
Environmental and Operational Notes:
- Designed for continuous operation in surveillance and industrial environments.
- Resistant to moderate vibration and temperature fluctuations.
- Recommended for indoor or sheltered outdoor installations.
Summary
The Tokina TC2814DC is a high-performance, wide-angle 2.8 mm F 1.4–64 DC auto iris lens engineered for professional imaging applications. Combining a fast aperture, precise DC-controlled iris, and robust Japanese construction, it delivers reliable optical performance across diverse lighting conditions. Its compatibility with standard CS-mount cameras and DC iris control systems makes it a versatile choice for security, industrial, and broadcast environments. With its durable build, wide field of view, and Tokina’s renowned optical quality, the TC2814DC stands as a dependable solution for users seeking consistent, high-quality imaging in demanding operational contexts.
Product Name: Tokina TC2814DC Lens
Model Number: TC2814DC
Series: Tokina Fixed Focal Length DC Auto Iris Lens Series
Article Number: TC2814DC
Manufacturer: Tokina Co., Ltd. (Japan)
Country of Origin: Japan
The Tokina TC2814DC is a precision-engineered optical lens designed for professional imaging and surveillance applications. It features a 2.8 mm focal length and a fast aperture range of F 1.4 to F 64, providing exceptional light control and image clarity across a wide range of lighting conditions. The lens incorporates a DC-controlled auto iris mechanism, enabling automatic adjustment of the aperture in response to changing illumination levels. Manufactured in Japan, the TC2814DC reflects Tokina’s long-standing expertise in optical design, mechanical precision, and imaging performance.
2. Key Features
- Wide-Angle 2.8 mm Focal Length: Provides a broad field of view suitable for wide-area monitoring, security cameras, and industrial vision systems.
- Fast Aperture (F 1.4): Ensures excellent low-light performance, allowing high-quality imaging in dim environments.
- Extended Aperture Range (F 1.4 – F 64): Offers precise control over depth of field and exposure, accommodating both bright and low-light conditions.
- DC Auto Iris Control: Automatically adjusts the aperture based on the video signal’s DC level, maintaining optimal brightness and contrast without manual intervention.
- High Optical Quality: Designed with Tokina’s advanced optical glass elements and coatings to minimize distortion, chromatic aberration, and flare.
- Compact and Lightweight Construction: Optimized for integration into compact camera housings and embedded imaging systems.
- Durable Metal Housing: Ensures mechanical stability and long-term reliability in continuous operation environments.
- Made in Japan: Reflects Tokina’s precision manufacturing standards and quality assurance processes.
3. Technical Specifications
- Model: TC2814DC
- Focal Length: 2.8 mm
- Aperture Range: F 1.4 – F 64 (auto iris adjustable)
- Iris Type: DC-controlled auto iris
- Lens Mount: Typically CS-mount (standard for CCTV and industrial cameras; confirm with manufacturer)
- Image Format Compatibility: 1/3" or 1/2" image sensors (depending on camera configuration)
- Field of View (approx.):
- Horizontal: ~90°–100° (on 1/3" sensor)
- Vertical: ~70°–75° (on 1/3" sensor)
- Focus Type: Manual focus with lock mechanism
- Iris Control Signal: DC drive (requires camera with DC iris output)
- Minimum Object Distance (MOD): Typically around 0.3 m (varies slightly by configuration)
- Optical Construction: Multi-element, multi-group design using high-transmission optical glass
- Coating: Multi-layer anti-reflective coating for improved contrast and reduced flare
- Housing Material: Precision-machined aluminum alloy
- Finish: Black anodized surface for durability and reflection suppression
- Dimensions (approx.):
- Length: ~40 – 45 mm
- Diameter: ~30 – 35 mm
- Weight: Approximately 60 – 80 g
- Operating Temperature Range: −10 °C to +50 °C (typical for surveillance lenses)
4. Functionality
The Tokina TC2814DC operates as a wide-angle imaging lens optimized for use with CCTV, IP, and industrial cameras. Its DC auto iris mechanism dynamically adjusts the aperture in response to the camera’s control signal, ensuring consistent image brightness even under fluctuating lighting conditions. The lens’s 2.8 mm focal length provides a wide field of view, making it ideal for monitoring large areas such as building entrances, parking lots, warehouses, or production lines.
Use Cases and Applications:
- Security and Surveillance: Suitable for fixed-position cameras in indoor or outdoor environments.
- Industrial Vision Systems: Used in machine vision setups requiring wide coverage and consistent exposure.
- Traffic Monitoring: Effective for capturing wide scenes such as intersections or toll booths.
- Retail and Commercial Spaces: Provides comprehensive coverage for loss prevention and customer flow analysis.
- Broadcast and Studio Systems: Can be used in specialized setups requiring wide-angle coverage and automatic exposure control.
Compatibility:
The TC2814DC is compatible with cameras supporting DC auto iris control and standard CS-mount interfaces. It can be integrated with analog CCTV cameras, digital IP cameras, and industrial vision systems that provide the necessary iris drive signal.
5. Components & Accessories
Included Items:
- Tokina TC2814DC Lens (main unit)
- Rear lens cap (protective cover for mount)
- Front lens cap (protective cover for optics)
- Integrated DC iris cable (for connection to camera control port)
- User documentation or specification sheet (depending on distributor)
Optional Accessories:
- CS-to-C adapter (for C-mount cameras)
- Lens hood or sunshade (to reduce glare in outdoor installations)
- Mounting brackets or lens holders for fixed installations
- Cleaning kit for optical maintenance
Connectors:
- DC iris connector (typically 4-pin or 3-pin plug, depending on camera model)
- Standard CS-mount thread (1"-32 UN 2A)
6. Installation & Setup
Requirements:
- Compatible camera with DC auto iris output
- CS-mount interface or appropriate adapter
- Stable mounting platform or camera housing
Mounting Options:
- Direct CS-mount attachment to camera body
- Use of C-to-CS adapter ring if required
- Integration into dome housings or protective enclosures
Configuration Steps:
1. Mounting: Attach the lens to the camera’s CS-mount and secure it by rotating clockwise until snug.
2. Connection: Plug the DC iris connector into the camera’s iris control socket.
3. Focus Adjustment: Power on the camera, display the live image, and manually adjust the focus ring until the image is sharp.
4. Iris Calibration: The DC iris automatically adjusts; verify that the aperture responds correctly to changes in light.
5. Locking: Tighten the focus and iris lock screws (if provided) to maintain settings.
Installation Notes:
- Avoid touching the optical surfaces during installation.
- Ensure the lens is mounted securely to prevent vibration or misalignment.
- For outdoor use, pair with weatherproof housings to protect against moisture and dust.
7. Performance & Capabilities
Optical Performance:
The TC2814DC delivers high-resolution imaging with minimal distortion, optimized for wide-angle coverage. The fast F 1.4 aperture ensures bright, clear images even in low-light conditions, while the extended F 64 limit allows precise exposure control in bright daylight.
Speed and Responsiveness:
The DC auto iris mechanism provides rapid response to illumination changes, maintaining consistent image brightness without lag. This is particularly beneficial in environments with variable lighting, such as entrances or outdoor scenes.
Capacity and Efficiency:
- Light Transmission: High-efficiency optical coatings maximize light throughput.
- Depth of Field Control: Wide aperture range enables flexible depth of field management, from shallow focus to extended clarity.
- Distortion Control: Engineered to minimize barrel distortion typical of wide-angle lenses.
Limitations:
- Fixed focal length (no zoom capability).
- Requires camera with DC iris control (not compatible with video-type auto iris systems).
- Optimal performance depends on correct back-focus adjustment and sensor size matching.
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 industry-standard CS-mount mechanical specifications.
Industry Standards:
- CS-mount thread: 1"-32 UN 2A (standardized for CCTV and industrial cameras).
- DC auto iris control: conforms to EIAJ and IEC standards for camera-lens interface signaling.
9. Additional Information
Warranty:
Typically covered by Tokina’s standard limited warranty (duration varies by region and distributor, commonly 1 year). The warranty covers manufacturing defects and optical performance issues under normal usage conditions.
Support:
Technical support and product documentation are available through authorized Tokina distributors and service centers. Installation guides, wiring diagrams, and compatibility charts can be obtained from Tokina’s official support channels.
Maintenance:
- Clean optical surfaces with a soft, lint-free cloth and approved lens cleaning solution.
- Avoid exposure to excessive humidity or direct sunlight when not in use.
- Periodically inspect the iris mechanism and connector for dust or corrosion.
Updates and Product Lifecycle:
The TC2814DC is part of Tokina’s ongoing line of professional-grade CCTV and industrial lenses. Firmware updates are not applicable, as the lens operates through analog DC control. However, Tokina periodically refines optical coatings and mechanical tolerances in newer production batches to maintain performance consistency.
Environmental and Operational Notes:
- Designed for continuous operation in surveillance and industrial environments.
- Resistant to moderate vibration and temperature fluctuations.
- Recommended for indoor or sheltered outdoor installations.
Summary
The Tokina TC2814DC is a high-performance, wide-angle 2.8 mm F 1.4–64 DC auto iris lens engineered for professional imaging applications. Combining a fast aperture, precise DC-controlled iris, and robust Japanese construction, it delivers reliable optical performance across diverse lighting conditions. Its compatibility with standard CS-mount cameras and DC iris control systems makes it a versatile choice for security, industrial, and broadcast environments. With its durable build, wide field of view, and Tokina’s renowned optical quality, the TC2814DC stands as a dependable solution for users seeking consistent, high-quality imaging in demanding operational contexts.
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