Why do the A99 and A77 have different shutter sounds?

Started Nov 13, 2012 | Discussions thread
copejorg1
Senior MemberPosts: 1,626
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Re: Why do the A99 and A77 have different shutter sounds?
In reply to DavieK, Nov 14, 2012

DavieK wrote:

It is easy to forget that normally it is used with electronic first curtain, and the image is captured the very moment you press the shutter - without any mirror or first curtain delay. All the sound you hear is AFTER the exposure.

Perhaps, if you're shooting wide open.  But if you're shooting at anything less than max aperture for the mounted lens, you'll also hear the aperture mechanism stopping the lens down BEFORE the exposure begins.

So the question is valid, it is not merely a matter of a larger shutter or any desire extend its life. The actual travel speed is fast, at least as fast as the D600's shutter or the A900 if synchronisation speeds are any guide.

A99 should be a bit faster, actually, considering its 1/250s sync speed vs the D600's 1/200s spec.

Does it matter? Some people who try the A99 will find it appears slow and imagine this could impact their ability to grab shots. It does not - you've grabbed the grabshot before any of the slow stuff happens.

Agreed.

David

Regards,

Greg

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