Your opinion pls?


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snypr

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Sep 5, 2007
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#1
I'm thinking of selling my Sigma 17-70mm F2.8-4.5 Macro(Canon mount) and thinking of getting the 18-50mm F2.8 instead. Will the constant aperture give better details in low light conditions? Cannot afford a Canon lens just yet.. your opinion pls.. thanks in advance.
 

westwest2

New Member
Jun 6, 2007
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#2
simple ans...NO...

its the aperature u are using that matters...
 

snypr

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Sep 5, 2007
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#4
Thanks guys, really appreciate the ans :) :thumbsup:
 

zac08

Senior Member
Feb 21, 2005
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#5
I'm thinking of selling my Sigma 17-70mm F2.8-4.5 Macro(Canon mount) and thinking of getting the 18-50mm F2.8 instead. Will the constant aperture give better details in low light conditions? Cannot afford a Canon lens just yet.. your opinion pls.. thanks in advance.
What you'll get is a brighter viewfinder and it will improve on your tele end when you're shooting in low light. F4.5 vs f2.8...

Also note that the lenses normally work better at about 1-2 stops down, i.e. f4 to f5.6 for a f2.8 lens...
 

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