something on the lens confuse me


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argonmt

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Jan 24, 2007
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#1
saw these two canon lens. to my surprise Lens A is cheaper that lens B. How come.. thought lens A got bigger aperture?? :eek:

EF 28-135mm f/3.5-5.6 IS USM ------- lens A
EF-S 17-85mm f/4.0-5.6 IS USM -------- lens B
 

kcuf2

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Dec 29, 2005
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bigger apeture, but remember the most impt thing is : which lens give better quality image. I think u know the answer already..
 

cjtune

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Mar 20, 2006
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f/3.5 vs f/4 is not really that big an aperture difference...
 

Kit

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Jan 19, 2002
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#4
saw these two canon lens. to my surprise Lens A is cheaper that lens B. How come.. thought lens A got bigger aperture?? :eek:

EF 28-135mm f/3.5-5.6 IS USM ------- lens A
EF-S 17-85mm f/4.0-5.6 IS USM -------- lens B
Aperture alone is not always a decisive factor for cost.
 

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