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21HC, 50 mm, 2/3″ – Tamron Lens

$ 332.81

C-mount, manual focus/iris with lock, high resolution

Tamron 21HC 2/3″ 50mm C-Mount Machine Vision Lens

The Tamron 21HC is a high-quality 50mm fixed focal length lens engineered for industrial machine vision and inspection systems. With outstanding optical clarity, compact size, and minimal distortion, this lens is ideal for long-distance imaging applications in factory automation, robotics, and quality control.


Key Benefits

  • Focal Length: 50 mm – suited for narrow field-of-view and long-range imaging

  • Sensor Compatibility: Supports 2/3″, 1/2″, and 1/3″ CCD sensors

  • Aperture Range: F/2.8 to F/22 – adaptable for various lighting conditions

  • Focusing Range: 0.44 m to infinity

  • Manual Focus & Iris: Lockable for fixed, vibration-resistant setups

  • Filter Thread: M25.5 x 0.5 mm

  • Low Distortion: 0.12% for precision measurement applications

  • Compact Design: 25 mm overall length, ideal for embedded vision systems

  • Operating Temperature: -5°C to +50°C

  • Weight: Lightweight at just 52 g


Technical Specifications

Specification Details
Model 21HC
Focal Length 50 mm
Sensor Format 2/3″, 1/2″, 1/3″
Aperture Range F/2.8 – F/22
Focus Range 0.44 m – ∞
Focus / Iris Operation Manual with lock screws
Distortion 0.12%
Optical Construction 4 groups / 4 elements
Filter Thread M25.5 x 0.5 mm
Back Focus (in air) 22.10 mm
Overall Length 25.05 mm
Max. Diameter 30.5 mm
Weight 52 g
Operating Temperature -5°C to +50°C

Applications

  • Long-Range Component Inspection

  • High-Precision Quality Control

  • Machine Vision Systems in Automation

  • Robotic Guidance and Positioning

  • Barcode and OCR Recognition


Download Datasheet

Get the full technical details and mechanical drawings in the official PDF:


Need Support or Custom Integration?

We support OEM machine vision integration, custom projects, and industrial imaging solutions worldwide.
Contact our technical team now to discuss your application.

Additional information

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