Electronic Viewfinders

Started 4 months ago | Discussions thread
mcabato Senior Member • Posts: 1,566
Re: Flicker artifacts to 500 Hz!

JimKasson wrote:

JimKasson wrote:

mcabato wrote:

JimKasson wrote:

Where did that number come from?

Just took the reciproke of 18fps where I do see a movie flicker and with 20fps i do see it flawless.

The flicker fusion frequency is not the same as the refresh rate. And the FFF varies with test conditions:

https://en.wikipedia.org/wiki/Flicker_fusion_threshold

WRT the FFF, here's a real, ahem, eye opener:

https://www.nature.com/articles/srep07861

Jim

interesting!

so, for sharp edges we do Need a refresh rate of 2 ms.

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> next Generation of EVF could have that, I beleive - if manufactureres beleive it being  necessary … in view of total lag time being 20 times higher and human reaction between recognition, decision to press the shutter releas and actual shutter Pressing ...

Thanks for the link!

BR gusti

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