$ 286.81
C-mount, manual focus/iris with lock, high resolution
The Tamron 20HC is a precision 25mm fixed focal length lens engineered for high-resolution machine vision and industrial imaging systems. Designed for 2/3″ CCD sensors and compatible with 1/2″ and 1/3″ formats, it delivers distortion-free imaging, excellent contrast, and mechanical durability—ideal for automation, inspection, and robotics.
Focal Length: 25 mm – a versatile choice for general-purpose machine vision
Sensor Format: Compatible with 2/3″, 1/2″, and 1/3″ CCD sensors
Aperture Range: F/1.6 to F/16 – ensures high performance in various lighting environments
Focusing Range: 0.21 m to infinity
Manual Iris & Focus: Lockable adjustments for vibration-prone environments
Filter Thread: M25.5 x 0.5 mm
Distortion-Free: 0% distortion – ensures accurate dimensional inspection
Optical Design: 4 groups / 4 elements for clarity and uniformity
Lightweight & Compact: Weighs just 40g with a length of 25.5 mm
Operating Temperature: -5°C to +50°C
| Specification | Details |
|---|---|
| Model | 20HC |
| Focal Length | 25 mm |
| Image Sensor Format | 2/3″, 1/2″, 1/3″ |
| Aperture Range | F/1.6 – F/16 |
| Focus Range | 0.21 m – ∞ |
| Mount | C-Mount |
| Filter Size | M25.5 x 0.5 mm |
| Distortion | 0% |
| Optical Construction | 4 groups / 4 elements |
| Back Focus (in air) | 11.60 mm |
| Exit Pupil Position | -19.59 mm |
| Weight | 40 g |
| Overall Length | 25.5 mm (at INF) |
| Operating Temperature | -5°C to +50°C |
Machine Vision and Factory Automation
Barcode Reading and OCR Systems
Electronic Inspection and Sorting
Robotics Vision Systems
Scientific and Lab Imaging
Get the full technical details and mechanical drawings in the official PDF:
We support OEM machine vision integration, custom projects, and industrial imaging solutions worldwide.
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INOSAKI Limited
RM B 5/F Gaylord Comm,
Bldg 114-118 Lockhart Rd.
Hong Kong
INOSAKI Sdn. Bhd.
2-1-9, Ground Floor, One Square, Tingkat Mahsuri 1,
11900 Bayan Lepas, Penang
INOSAKI Pte. Ltd.
101 Upper Cross Street,
No. 06-17, People’s Park Centre,
Singapore (058357)
