Nikon Z9's Advanced Dual-Stream viewfinder technology explained

Nikon EVF
(Image credit: Nikon)

Nikon has released a video explaining the technology behind its clever Dual-Stream electronic viewfinder seen in the new flagship Nikon Z9 mirrorless camera, exploiting powerful Expeed 7 image-processing engine.

The 37-second long video explains using a diagram that Dual-Stream Technology works by processing live view data and recording still image data separately, and in parallel. This makes the Real-Live Viewfinder possible by delivering the still image directly to the SD card and the live view data to our irises via the LCD monitor. 

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Beth Nicholls
Staff Writer

A staff writer for Digital Camera World, Beth has an extensive background in various elements of technology with five years of experience working as a tester and sales assistant for CeX. After completing a degree in Music Journalism, followed by obtaining a Master's degree in Photography awarded by the University of Brighton, she spends her time outside of DCW as a freelance photographer specialising in live music events and band press shots under the alias 'bethshootsbands'.