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Description
Fujinon HF12.5SA-1 Lens, Up to 5MP, 12.5mm Focal Length
HF12.5SA-1 Overview
Designed for factory automation and machine vision applications, the Fujinon HF12.5SA-1 high-resolution C-mount lens supports digital (machine vision) cameras up to 5 Megapixels and uses premium optics to achieve low distortion corner to corner performance. Requiring a minimum focusing range of only 100mm, this compact and robust lens is particularly suited for applications where highly detailed close-up imaging is a priority. It also incorporates a ring lock system which utilizes thumbscrews to prevent the focus and iris rings from shifting once they've been set.
Fujinon HF-SA Series Lens Features
- Supports Sensor Sizes up to 5 Megapixels (3.45µm pixel pitch)
- Supports Imager Formats up to and including 2/3"
- Focal length: 12.5 mm to 75 mm
- Aperture: F1.4 to F1.8
- Filter thread: M49 x 0.75
- Dimensions (D x L): 51 mm x 68.5 mm to 51 mm x 76 mm
- Weight: 185 g to 315 g
- Camera mount: C-mount
- Manual Adjustable Aperture and Focus
Distortion Reduction

Lens Selection Assistance
Need Help Sizing a Fujinon Lens? Use the Fujinon Lens Calculator or contact us
Sensor Compatibility
Fujinon HF12.5SA-1 Lens Sensor Format Compatibility
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Lens Specifications
Specifications |
HF12.5SA-1 |
Focal Length [mm] | 12.5 (12.83) |
Iris Range (f-number) |
F1.4-F22 |
Angle of View [Deg] | 38.0 x 29.0 (2/3") |
Working Distance [mm] (From Front of Lens Barrel) |
∞-100 |
Operation of Focus | Manual |
Operation of Iris | Manual |
Filter Thread | M49.0 x 0.75 |
Mount | C-Mount |
Weight [g] | 295 |
Sensor Size (max) | 2/3" |
Back Focal Distance (In Air) | 16.07 |
Flange Back (mm) | 17.526 |
Exit Pupil Position (From Image Plane) [mm] |
-107.84 |
Front Principle Point (From Mount) |
-33.68 |
Rear Principle Point (From Mount) |
4.7 |
Distance Between Principal Points | 38.37 |
TV Distortion [%] | -0.08 |
Dimension [mm] (Diameter x Length) |
51 x 68.5 |
Relative Illumination (Fully Open Aperture) |
68 |
Operating Temperature | -10 to +50 C |
Fujinon HF12.5SA-1 Downloads
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Fujinon HF-SA Series Product Family
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HF12.5SA-1Focal Length: 12.5mmResolution: 5 MP Aperture: f/1.4 - f/22 |
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HF16SA-1Focal Length: 16mmResolution: 5 MP Aperture: f/1.4 - f/22 |
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HF25SA-1Focal Length: 25mmResolution: 5 MP Aperture: f/1.4 - f/22 |
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HF35SA-1Focal Length: 35mmResolution: 5 MP Aperture: f/1.4 - f/22 |
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HF50SA-1Focal Length: 50mmResolution: 5 MP Aperture: f/1.8 - f/22 |
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HF75SA-1Focal Length: 75mmResolution: 5 MP Aperture: f/1.8 - f/22 |
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