So much for the EVF being insufficient for action.....

Started 11 months ago | Discussions thread
Sante Patate
Senior MemberPosts: 4,315
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5 milliseconds is still too much.
In reply to Ontario Gone, 11 months ago

Ontario Gone wrote:

Well in case anybody else hasn't heard, Fuji just dropped a bomb [...] they also ratcheted down the lag. We are looking at a 0.005 sec lag time, not bad eh?

A bird flying at 60 km/h travels 8cm in 5 milliseconds.  With a 200mm lens, on APS-C, giving an AoV of 8 degrees, a bird with a two metre wingspan fills the frame if it is 11 metres away.  Obviously, you want to centre it in the frame.  That is not easy if you have an OVF, and what you see as you move the camera tracks the bird's motion with no delay.  But the 5 miilisecond lag time corresponds to 0.4 degrees, one twentieth of the frame, so by the time you see it in the centre, it is actually off the far edge.

I am sure it is possible for the human brain to learn to compensate for the viewfinder lag, but in my experience that is a very steep learning curve even if the motion is predictable.

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