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http://www.utopia-photography.ch/lenses/...est03.html

I found the above interesting if you are toying up the both.

Thanks for the link!
interesting comparison
the f/1.4's bokeh is definitely a lot better. both when wide open and stop down a bit.

(07-21-2009 05:23 PM)CTM Wrote: [ -> ]http://www.utopia-photography.ch/lenses/...est03.html

I found the above interesting if you are toying up the both.

I don't see noticeable difference there. I think the difference between using F1.8 and F1.4 is too subtle. 85.4 produces very sharp photos at F2 and okay sharp at F1.4, however you will see purple fringe there.

yes you are right , the overall picture quality difference between f/1.4 and f/1.8 is subtle especially considering that the f/1.4 is a few times more expensive than the f/1.8.

The biggest differenc is the bokeh.. the bokeh from the f/1.4 is just a lot nicer and smoother.. which can mean a lot to some people... the f/1.8's bokeh is quite nice already but it looks a bit nervous at wide open. and once you stop down a bit.. the difference in bokeh between the two lenses become even more obvious...

f/1.8 is definitely more bang for your buck but there is a reason why so many people are still buying the f/1.4

UUmmm... people like me. I love the bokeh of the 1.4. haha

IMO, the comparison shows little difference between the 2 lens other than the fact that 85/1.8 is more saturated. On the other hand the 85/1.8 focuses faster, much like the 50/1.4D. However the price difference is so evident. That being said, I love my fat little 85 1.4. Hehe.