[X-T1 FW 4.0 BETA: I have it and share my findings soon ;)]

 

Just finished doing some quick tests with various lenses (...55-200....) 

 

 

so what about 55-200mm. Faster?

[Best m42 50ish mm lens?]

Carl Zeiss Jena Pancolar 50mm 1.8, black (non-"zebra") version

 

http://vintage-camera-lenses.com/carl-zeiss-jena-pancolar-50mm-1-8/

[Do we have any X-users using their X cameras for sports?]

I love shooting outdoor sports I'm not good at it, but it' such fun My gear? X-E1 + 23mm, and sometimes - 55-200mm, but this lens with X- E1 is too sloooow

 

snowgliding/speedriding: http://eszka.blog.onet.pl/2015/04/09/snowgliding-polonina-wetlinska/

 

downtown: http://eszka.blog.onet.pl/2015/05/01/bike-town-przemysl-zawody-downtown/

 

motocross: https://plus.google.com/photos/103652169047586108443/albums/6150249111825140129?banner=pwa