Smartfinder Pro

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IB/E is introducing the Smartfinder Pro, a new electronic Director’s viewfinder for lenses from S35 to full format and up to 65mm format. The Smartfinder Pro uses our UMS Universal Mount System, which includes ARRI LPL, PL and, on request, XPL.

The image is gathered on a 62mm ∅ groundglass, which is slightly larger than the image area of an ARRI Alexa 65. The groundglass concept is just like a traditional optical Director’s finder. Attach an iPhone behind the groundglass. The iPhone camera focuses through four IB/E optical elements onto the groundglass, and users view the image on the screen of your iPhone 7/8 Plus. The Smartfinder’s handgrip fits a powerbank which allows users to charge the phone while scouting.

In addition, the iPhone lets you shoot frame grabs and, of course, videos. This is helpful for scouting and pre-viz.


  • ALEXA 65 size groundglass
  • LPL mount
  • iPhone support
  • Smartfinder Plus App