Sigma 105mm F2.8 Macro EX


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AlvicTay

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May 6, 2004
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#1
Does anyone of you know is there any pic quality difference between the Sigma 105mm F2.8 Macro EX and the Sigma 105mm F2.8 Macro EX DG?

Is the DG version a better version?
 

grantyale

Senior Member
Oct 4, 2004
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#2
DG sounds like the so called "optimized for digital" version. The difference should mainly be the coating.
 

Halfmoon

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Feb 26, 2005
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#3
I think price difference is less than $100... if I not wrong.... if get, I think should get the DG version better right???? With those coating...... :think:
 

AlvicTay

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May 6, 2004
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#4
Any idea about the picture quality?
 

Halfmoon

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Feb 26, 2005
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#5
For this product, I am not sure... but I remember reading some reviews that these coating will improve the optical results..... and so, I think the DG version could give better results....

I only read only.... so better wait for experts.... ;)
 

RossChang

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May 2, 2004
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#6
Had the same queries myself, and I remember I've read somewhere that says, the DG series actually have a smaller image circle?.... which will cause vignetting if use on a larger sensor... correct me if i'm wrong :embrass:
 

nightpiper

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Oct 20, 2003
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#9
RossChang said:
Had the same queries myself, and I remember I've read somewhere that says, the DG series actually have a smaller image circle?.... which will cause vignetting if use on a larger sensor... correct me if i'm wrong :embrass:

there r 2 vers if i m not mistaken. one DG & the other DC. IIRC the DG is full frame image circle whereas the DC has the smaller image circle & supposedly lighter & smaller too.

i have seen the older none DG ver (minolta mount) in action & the image quality is pretty good. i wud say its a good alternative for budget tight users. :)
 

Misery

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Feb 15, 2005
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#10
no difference as far as i could tell. unfortunately, i dun have any sample pics. id go with the non DG since its cheaper with the same quality in picture. note of coz, that i rate quality by what i can see on the screen and using everyday subjects. i dont test my lenses with charts or any other scientific means.
 

AlvicTay

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May 6, 2004
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#11
nightpiper said:
there r 2 vers if i m not mistaken. one DG & the other DC. IIRC the DG is full frame image circle whereas the DC has the smaller image circle & supposedly lighter & smaller too.

i have seen the older none DG ver (minolta mount) in action & the image quality is pretty good. i wud say its a good alternative for budget tight users. :)
Isn't DC is only for APS-C?
 

nightpiper

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Oct 20, 2003
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#12
AlvicTay said:
Isn't DC is only for APS-C?
ya, i wanted to say that but somehow the words 'got lost in translation'. :bsmilie: the grey matter & hand not talking... :sweat: old liao...
 

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