OPTOWL FL-YFL5028 | 50mm Line-Scan Lens
FL-YFL5028 Lens: Unmatched Precision and Performance for Machine Vision Applications
The RICOH FL-YFL5028 lens offers exceptional optical performance, ensuring high-definition image quality across the entire field of view, including the periphery. This lens is specifically engineered for factory automation (FA) close-up shooting, making it an ideal choice for machine vision applications requiring precision and clarity. Designed to accommodate sensors up to 45 mm, the FL-YFL5028 ensures sharp, detailed images even at the edges, making it perfect for line scan cameras.
With a compact 45mm length, the FL-YFL5028 is optimized for 50mm line scan cameras, delivering consistent, high-contrast images with minimal distortion. The lens provides abundant light distribution, which is crucial for maintaining image quality in varying lighting conditions. Its design features lockable focus and iris rings, offering enhanced stability and precision in demanding industrial environments. Available in both F-mount and PENTAX K mount options, the FL-YFL5028 is versatile and easy to integrate into existing systems.
Features:
- High resolution, high contrast
- Suitable for sensors up to 45mm
- Abundant Light Distribution
- Minimal distortion
- Available in F-mount and PENTAX K mount
- Lockable focus & iris rings
Applications:
- inspection of steel
- pulp
- fiber/textile
- printing
- film and other flat materials
- Web appearance testing equipment
| Format size | 45mm Image Circle |
| Focal length | 50 mm |
| Maximum aperture ratio | 1:2.8 |
| Iris range | 2.8-22 |
| Mount | F-mount (bayonet mount) FL-YFL5028 K-mount (PENTAX bayonet mount) FL-YKL5028 |
| Field of View - 4,096x7µm | 57 mm (Magnification: 0.5x) |
| Field of View - 7,450x4.7µm | 70 mm (Magnification: 0.5x) |
| Field of View - 4,096x10µm | 81 mm (Magnification: 0.5x) |
| Minimum object distance | 0.25 m (Magnification: 0.5x) |
| Back focal length | 36.99 mm |
| Filter size | 62 P=0.75 mm |
| Dimensions | φ72x56.8 mm(FL-YFL5028) φ72x57.8 mm(FL-YKL5028) |
| Min.~Max. Magnification | ∞ ~ 0.5X |
| Weight | 370 g |
| Remarks | Focus: Lock Screw Iris: Click stop. Not for photographic cameras. |



