6th March 2004, 05:41 PM
6th March 2004, 05:54 PM
The Tv will be the same if the aperture is set the same. it depends on the aperture you're using, not the largest aperture of the lens.
6th March 2004, 07:25 PM
usually fast lens come with small apature number, like f2.8, which then have bigger apature opening...
Originally Posted by Michael Ang
advantage is... at this biggest opening, you can have shorter shutter speed.. so have a possibilities to handheld your camera while shootin'
but u usually need very2 big money for this small f number
6th March 2004, 10:55 PM
Faster lenses also equate to brighter viewfinder and for some camera bodies, faster AF using cross sensors.
Faster lenses also imply (but not necc always true) better optics and better build, faster AF (lens motor), and better features like weather sealing, nonrotating front element and non-extending zoom. Depends on the specific lens models you are comparing.
6th March 2004, 10:57 PM
If you're at the point of talking yourself out of it, you may be past the point of no return already.
7th March 2004, 01:59 PM
thanks for the reply...
okie...so faster lens doens't equal to a faster Tv.... if the apeture is the same... advantage is the ability to set to a faster appeture while in a long focal length...
ST1000, you are almost right... been tempted to get the EF 70-200 F4 for a long time now.... been able to resist it so far... may the force be with me.. hahaha....
7th March 2004, 09:20 PM
Fast lens usually comes with better optical quality.
Let's say for Canon, most L lenses' are fast lenses that have smallest aperture of 2.8 or 4.
The problem is, you have to buy the "fast" and "L" together.