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Basler Premium Lenses C125: Why do 1/2.5" Basler Lenses Often Fit Better than 2/3" Lenses?

Most lenses are designed for 2/3" sensors, which works perfectly fine for cameras equipped with a sensor of that size. In response to the trend towards smaller sensor sizes, Basler has developed lenses with a small image circle that matches the small surface of modern sensors. Basler Lenses are produced by Fujinon exclusively for Basler.

To best take advantage of their cost-optimized design for a multitude of applications, they are available in six different focal lengths:

  • 4 mm
  • 6 mm
  • 8 mm
  • 12 mm
  • 16 mm
  • 25 mm

The benefit of a smaller image circle is especially prominent with regards to resolution, thus:

Small sensor + lens with small image circle = the perfect combination!

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