Machine Vision Lenses and Optics - STEMMER IMAGING


Over 5000 lenses and filters to help achieve

the perfect image

Ricoh FL-Y

Large format line scan lenses for image circles up to 45mm

The Ricoh FL-Y series provides an excellent, consistent optical performance over the complete image, even at the edges. The working distances start at 190 mm for the 35 mm lenses and 250 mm for the 50 mm lenses right up to infinity on both. As with all of the Ricoh lenses, the build quality is robust and stable, constructed to withstand most industrial line scan applications.


  • Image circle: 45 mm
  • Focal length: 35 mm to 50 mm
  • Transmission: 1200 nm ca. 58% to 60%
  • Aperture: F2.8
  • Minimum working distance: 190 mm to 250 mm
  • Filter thread: M62 x 0,75
  • Camera mount: F-Mount and Pentax K Mount
  • Dimension (DxL): 72 mm x 57,8 mm
  • Weight: 440 g

Show products

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Model Image circle (mm) Filter thread Camera mount (optics) M.O.D. (mm) Focal length (mm) Min. pixel size Aperture
RICOH FL-YFL3528 45.00 M62 x 0.75 Nikon F-Mount 190.0 35.00 5.83 F 2.80
RICOH FL-YFL5028 45.00 M62 x 0.75 Nikon F-Mount 250.0 50.00 5.83 F 2.80