1/2" 12-40mm 34HFOV F/1.8 4K CS Lens

12-40mm varifocal – high resolution megapixel optics! This CS-Mount lens features a high resolution as well as the flexibility to change your field of view. Designed specifically for 1/2″ image sensors it’s a perfect match for the Ribcage and an excellent choice for general shooting! In addition this lens is IR-Corrected or ‘Day & Night’, meaning visible light and infra-red are in focus at the same time which a normal lens can’t do. 35mm equivalent focal length approximately 66 – 187mm


  • Format:  1/2″
  • Focal Length: 12-40mm
  • Aperture: F1.8 – close
  • Iris Type: Manual Iris
  • Horizontal FOV: 34° – 12°
  • Mount: CS-Mount
  • IR-Corrected: Yes
  • Weight: 92 g


  • Manual Iris
  • Focus, iris and zoom locking screws
  • Compact