Is a f2.8 lens better or a VR/IS lens better?
- Thread starter sjackal
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they are different things.
fast lens allows hi shutter and DOF control.
VR/IS allow hand holding at lower shutter speed.
fast lens wun help if u need to stop down to achieve DOF and/or achieve lower shutter speed to achieve certain effect (and dun ve the use of a tripod).
VR/IS wun help if despite using the biggest aperture, the shutter is still insufficient to freeze the movement.
fast lens allows hi shutter and DOF control.
VR/IS allow hand holding at lower shutter speed.
fast lens wun help if u need to stop down to achieve DOF and/or achieve lower shutter speed to achieve certain effect (and dun ve the use of a tripod).
VR/IS wun help if despite using the biggest aperture, the shutter is still insufficient to freeze the movement.
I would go for f/2.8, however if its f/2.8 IS then it'll be the perfect combination! IS' effectiveness is also dependent on the maximum aperture of the lens. If it's say f/5.6 at the farthest end then IS won't help much in low-light conditions. However, a constant f/4 IS is more useable compared to f/3.5 - f/5.6 IS especially when zoomed in. Hope I make sense here 
You can find the same discussion here :
http://www.clubsnap.com/forums/showthread.php?t=395247
2.8
- capable of thinner dof, can isolate subject from background better compared to a smaller aperture lens ( depending on what you are shooting )
- can potentially shoot under lower lights handheld ( depends on settings )
- can increase shutter speed and freeze motion
but expensive, heavy ( usually )
* the 2.8 glasses ( especially for zooms ) are usually the higher end offerings of the companies. The IQs are usually better.
VR
- some handholding advantage as well especially dimmer lights
but expensive, and comparing to a larger aperture, while you can afford a slightly slower shutter speed, there will be some motion blur depending on ur subjects.
Draws abit of power as well.
* there is a limit to how much VR can save ur shakiness
Ryan
http://www.clubsnap.com/forums/showthread.php?t=395247
2.8
- capable of thinner dof, can isolate subject from background better compared to a smaller aperture lens ( depending on what you are shooting )
- can potentially shoot under lower lights handheld ( depends on settings )
- can increase shutter speed and freeze motion
but expensive, heavy ( usually )
* the 2.8 glasses ( especially for zooms ) are usually the higher end offerings of the companies. The IQs are usually better.
VR
- some handholding advantage as well especially dimmer lights
but expensive, and comparing to a larger aperture, while you can afford a slightly slower shutter speed, there will be some motion blur depending on ur subjects.
Draws abit of power as well.
* there is a limit to how much VR can save ur shakiness
Ryan
Depend on situation
I find indoor or low lighting condition, wide angle prime and VR lens are very useful and recommended. So far my best lens for indoor is 70-200 IS. I could easily get sharp shots @ 1/60sec.
the price difference between 18-200 and 17-55 is very big, almost $1k.
Is money a major consideration here?
if not, buy 17-55 F2.8, and 70-200 F2.8 VR. :devil:
Is money a major consideration here?
if not, buy 17-55 F2.8, and 70-200 F2.8 VR. :devil:
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