QUOTE(5za9 @ Feb 12 2009, 02:44 PM)
wow...how you do that effect? what issit called? i tried searching on google but was unable to find it.. QUOTE(kysham @ Feb 12 2009, 02:46 PM)
Yes, that is one hidden advantage of having a bigger aperture lens mounted on your camera. You will notice that your camera will actually focus more accurately and locks on faster. Why? Because a bigger aperture lens will let in more light (remember the aperture is kept at the fully opened position during focusing, until you fire the shutter where it momentarily closes to your set aperture before opening back up ready for the next shot). More light will enable the AF system in the camera to work better (can "see" better mah....). And on the A700 & A900, the use of a lens with max aperture of f2.8 or more will also enable to camera to use the ultra-sensitive double cross AF sensor in the middle to even faster & more accurate AF.
But it is not true that is you have an f2.8 lens, you will never ever need a tripod. that is pure wishful thinking lah. you would probably need LESS use of the tripod, but definitely still want to bring a tripod along for night shots.
thx bro, very very informative...but any idea what determines the filter size? i mean like tammy 1750 is a 67mm filter but a siggy 1770 is a 72mm filter...both also f2.8...any idea? But it is not true that is you have an f2.8 lens, you will never ever need a tripod. that is pure wishful thinking lah. you would probably need LESS use of the tripod, but definitely still want to bring a tripod along for night shots.
QUOTE(vikingw2k @ Feb 12 2009, 02:47 PM)
Not really, if you are shooting night landscape, you definitely gonna need a tripod as when you lower your aperture, you'll get very very low shutterspeed and you'll get blurry shots if you handheld 
but tripods are so expensive...i really dun know what justifies the price...it is after all a device to mount your camera on that is all...
Feb 12 2009, 02:55 PM


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