Originally posted by JP_Seattle 
The Vivitar Series 1 90mm (Bokina) is nothing short of amazing. Also the new (Samyang made) Vivitar/Bower/etc 85mm f/1.4 is a well made and beautiful image producing lens with incredible bokeh as well. Definitely worth checking out for $350 or less. It is manual focus but does have "A" contacts. It is also much easier to find than the Bokina.
I have the Rokinon version of the Samyang. truly enough that it has one creamy bokeh especially at wide open. the issue that I'm having with it is that I'm having difficulty handling it and nailing perfect focus with it's shallow DOF, coupled by longer MFD and somehow a bit stiff focus ring. I'm having more success using the J-9 85 and even the 50/1.2.
as far as creamy bokeh are concerned, my other favorites are the A50/1.2, K55/1.8. I also love the J-9's bokeh. as far as the Pentacon 135's bokeh is concerned, it has a pretty nice bokeh, but I still have to shoot with it a bit more until I get some really spectacular ones. although great pop on the image though.
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