VS-085 Series

Fixed Focal Length Lenses with F/0.85 for High Speed Cameras

  • Brightness: Fno 0.85
  • Contrast: high
  • Design: for high speed camera
  • Distortion: low
  • Magnification: Floating system ensure high performance at any magnification
  • Mount: M42-Mount (Available in C-Mount/BTO)
  • Support: 4/3" sensor

What is F number?

F number defines the brightness of lens at infinity imaging. Fno=Focal Length/ Diameter Entrance Pupil (Effective Aperture).
The maximum aperture indicates the brightness of the image that the lens creates on the image sensor: lenses with wider maximum apertures (lower minimum f-numbers) create a brighter image on the image sensor than lenses with small maximum apertures (higher minimum f-numbers).
Lenses with wide maximum apertures are referred to as“ fast” lenses because they create a brighter image on the image sensor, allowing faster shutter speeds. VS-085 series allows faster shutter speeds and is capable for various applications which require brighter images. Including medical, bio and high speed motion analysis applications.

Variant code Angle of view(VxH) Floating FNO Focal Length mm Mount Sensor Size (max.) WD (mm) Pdf Spec
VS-25085/M42 30.3x40.0 O 0.85 25 M42 P=1.0 4/3" 170~∞
VS-25085/C 30.3x40.0 O 0.85 25 C-Mount 4/3" 170~∞
VS-50085/M42 15.9x21.0 O 0.85 50 M42 P=1.0 4/3" 240~∞
VS-50085/C 15.9x21.0 O 0.85 50 C-Mount 4/3" 240~∞

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