Kerem Bey, daha önce kullanmamıştım ama Sigma 105mm Macro iyi görünüyor:
Canon 100mm f/2.8L IS Macro - Çözünürlük @ 20 MP
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Sigma 105mm f/2.8 OS Macro - Çözünürlük @ 20 MP
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.Canon 100mm f/2.8L IS Macro - Bokeh
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Sigma 105mm f/2.8 OS Macro - Bokeh
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Referans-1: http://www.photozone.de/canon_eos_ff
Canon - Sigma Karşılaştırma:
http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=790&Camera=453&Sample=0&FLI=0&API= 0&LensComp=674&CameraComp=453&SampleComp=0&FLIComp =0&APIComp=0
Referans-2: http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx