EVFs -- why the slide show effect?

Started May 17, 2012 | Discussions thread
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Re: EVFs -- why the slide show effect?
In reply to Archer66, May 19, 2012

All cameras have shutter lag, although some have less lag than others. For example, the Nikon D2/D3 series has a measured lag time of around 43-45 ms when the camera is prefocused, in continuous AF with release priority set, or in manual focus mode.

In comparison, the a77 has lag of around 54 ms when prefocused (not much slower), but the lag time increases to 85 ms with manual focus and 122 ms when using continuous AF. On top of that, the EVF will lag a bit behind the action, depending on light conditions, so you'd have to add a bit of time on top of that (+10 ms or so, assuming a really incredible 100 hz refresh rate).

Of course, that doesn't make it impossible to capture the right moment. If you can guess ahead well enough, and you're familiar enough with how much lag to expect, you can press the shutter button before the action happens, so that the exposure will happen at the right moment.

Or, if you were really desperate, you could fire off high speed bursts with every action sequence. There's a good chance that you'll get a few good shots...but I don't recommend that because you will likely jam up the camera's buffer, and end up with a ton of files to deal with.

The main advantage of a professional DSLR is the lack of shutter lag.

What pro DSLR does not have shutter lag ?

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