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DPChallenge Forums >> Photography Discussion >> Mirror Lock up
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Showing posts 1 - 11 of 11, (reverse)
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08/29/2005 10:59:29 PM · #1
Ok... can someone please explain this and how effectively this can work in photos?
08/29/2005 11:02:48 PM · #2
Mirror lockup is a technique for reducng vibration caused by the mirror slapping into the up position. It's important at very long focal lengths on tripod, or when shooting attached to a telescope. the shutter is triggered once, and the mirror flips up, but the shutter does not fire. The second time the shutter is tripped (after a time delay to let vibrations damp out), the shutter fires, and the mirror flips back down, completing the cycle.
08/29/2005 11:10:20 PM · #3
its best to use the mirror lock up function while using a remote. you can uses the self timer, but the remote method ensures the wiggles are gone before you expose the sensor

James
08/29/2005 11:40:20 PM · #4
Originally posted by jab119:

its best to use the mirror lock up function while using a remote. you can uses the self timer, but the remote method ensures the wiggles are gone before you expose the sensor

James


Actually, i'd possibly advocate doing it the other way round - giving a camera 2 seconds is plenty enough to damp out vibrations, and removes the vibrations transmitted down your remote cable from your hand when you do trigger the shutter (unless of course you have a wireless remote, and then you're the real winner)
08/29/2005 11:54:01 PM · #5
I use lockup often when shooting my 100-400mm L zoom. When at the max of that lens it doesn't take much to mess up the pic. Lock up is a big help so as not to shake the camera. This is one of the cool things about the 20D, the D70 doesn't have this option.
08/29/2005 11:58:38 PM · #6
Originally posted by texaskev:

I use lockup often when shooting my 100-400mm L zoom. When at the max of that lens it doesn't take much to mess up the pic.


No way, i really have to disagree with you there... the IS can handle itself down to 1/15th of a second, and any shake it can't take out is way more than a mirror flapping can give you.
08/29/2005 11:58:39 PM · #7
Has anyone got the Mirror Lock up to work on the 300D Rebel hack?
08/30/2005 03:35:39 AM · #8
Originally posted by Simonjw:

Has anyone got the Mirror Lock up to work on the 300D Rebel hack?

Just tried it, and it worked like it should.

*flap*
*silence*
*click*

08/30/2005 04:08:44 AM · #9
Originally posted by texaskev:

This is one of the cool things about the 20D, the D70 doesn't have this option.


Are you aware that you just put down Nikon quite discretly?

We're a bunch of fanatics aren't we?
08/30/2005 04:39:07 AM · #10
Originally posted by Ennil:

Originally posted by texaskev:

This is one of the cool things about the 20D, the D70 doesn't have this option.


Are you aware that you just put down Nikon quite discretly?

We're a bunch of fanatics aren't we?


You don't need discretion when you put down nikon. Hell, nikon practically puts itself down :P
08/31/2005 01:57:14 AM · #11
I have the Hack on my 300D, and I have had no problems with the mirror lockup function. I find that the ISO3200 option that the hack also unlocked makes some interesting grainy shots which really standout when changed into B/W.
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