macro questions


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shioks76

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Jan 20, 2005
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sengkang
#1
some lenses have a rating of macro 1:1. No zoom lense life size
while other lenses offer like 28-300 with macro 1:3.
what does 1:3 mean? That the object will be magnified by 3 times the life size?

If thats the case, interestingly the 1:1 dedicated macro lense tends to be more expensive then the telephoto with macro capabilities why is that?
 

Nov 12, 2003
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Pasir ris
pachome2.pacific.net.sg
#2
1:3 is 1/3 life size, not 3 times.

Dedicated 1:1 macros are expensive as, its hard to get lenses to give u that accurate 1:1 ratio...

a tele macro zoom like 75-300 Sigma, APO Super macro II, will give u 1/2 life size which is less magnification then a dedicated macro.

macro lenses tend to have very very good optics as they need to pick out detail.
 

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