Daniella68313
Veteran Member
I see...I am not going to go pass 300mm or 400mm and so far sharp no problem. I wil not use the zoom anyway at low light much either. I use the zoom for wildlife and for that I need good light.Mirror lockup is for reducing vibration, needed when using high
magnification and/or long exposures. For astrophotography it is a
nessesity, even with a telescope on a rock solid mount the mirror
slap on my 10D causes vibration that lasts 5 to 10 seconds, at
1600mm the slightest vibration is noticable...
I did not noticed any blurring from that in long exposure either. I tried 10s and 15s and they were sharp. Although we had to use the timer because just pressing the shutter button was making some blurr.
--You also need a remote cable to make it work, for some stupid
reason the self timer on the 10D changes from 10 seconds to 3
seconds when using mirror lockup. Anyway, if you are using a
tripod and remote and can see the image shake in the viewfinder
after taking a shot mirror lockup will help reduce that.
--
Later,
Marty
Olympus: OM-1, C-2IOO, D-49O, D-4OZ
Canon: 1OD
http://science.widener.edu/~schultz/digipicts.html
Daniella
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