A little bit of history:I started my foray into DSLRs with theOlympus Evolt E510, simply because I used an OM-10 for years before that. Being new to the DSLR game, the "philosophy" of 4/3s seemed very sound to me; high quality lenses that are compact and can be coupled with compact bodies that will put out excellent image quality; of course the added benefit of in-body stabilisation seemed to just make a great sum of parts. I went through a range of 4/3s bodies including theOlympus Evolt E-3and while I was always pleased with the lenses, the image quality always left more to be desired. Also, once I switched to the E-3, the bulk of the system didn't make sense to me as it was pretty similar to full frame and yet lagged in image quality. After 2 years with 4/3s I finally moved on to theNikon D700and have been with it ever since.The caveat of full-frame is obviously the inherent size and weight of the system and I hated being "the camera guy" every time I was out with friends or even shooting casually and that's when I started dabbling with micro 4/3s. The initial iterations while exciting, still were slow and not great in terms of IQ, but the E-M5 changed it all. Over the years the system has matured and the E-M5 finally brings a good quality semi-pro body that is small, light, beautiful and most importantly excels in image quality. I use this camera with Panasonic lenses,Panasonic 12-35mm/F2.8,Panasonic 7-14mm f/4.0&Panasonic 25mm f/1.4 Leica Lensand this entire system fits neatly in a shoulder bag with 3 batteries.I've been shooting with this system for 3 months now and have found the image quality to be very similar to my D700. I still use my D700 for paid work because I'm used to it, but I don't see why the E-M5 wouldn't work for anyone that wants to use it professionally. Of course, the depth of field differences will always exist, but those are inherent characteristics of the systems and it's up to the user to make the best or worst of it.Overall, the E-M5 finally realises what 4/3s was supposed to be and I recommend this camera very highly for anyone that's either looking to enter into a camera system or wants to supplement a full frame system with something smaller and lighter. But of course, there are a few compromises, but none that should be detrimental to use. I also like the new stabilisation system which has allowed me to get tack sharp shots at up to 1s of exposure! Also, the weather sealed body makes a huge difference too.This camera is a definite winner. 

Question: Is this lens have manual focus?
Answer: high quality lenses that are compact and can be coupled with compact bodies that will put out excellent image quality