I work professionally with FF cameras (EOS 5D Mk3 & Mk2) and L lenses. But when I'm traveling for personal reasons I do not want the weight, but rather quality. Therefore I have the EOS-M, so far with the kit lens 18-55 (very good!) And the 22 / 2.0 (great!). Now the 55-200 has joined it. And I'm excited: it is relatively easy (yes, also because of the plastic bayonet and because the tube is NOT made of metal but also plastic), but still does the same, good processing impression. What ultimately counts, however, the image quality, and is really great at all focal lengths starting at full aperture! I can only recommend the lens having fun at long focal lengths. The image stabilizer makes "handheld Photography" reasonable and feasible. I uploaded sample photos ("Fiat", "Johanniter", "apple tree" and "Rollerball") as a customer photos. I would be very happy if I can help potential buyers with my review!