I just bought F-Zuiko AUTO-T 300mm f/4.5 (not multicoated) and I'm getting some results that I would like to discuss. At f4.5 and f5.6 it is not very sharp (which is normal) but at f8 till f22 I got good sharp pictures taken indoors, slightly sharper then my Panasonic Lumix 100-300mm f/4.0-5.6 G Vario. I know! This is not for indoor pictures. The problem is when I start using it for wildlife with sunlight, the Panasonic produce the same results as indoor, but the Zuiko loses is sharpness. In both cases I am using the original lens hood. In the Panasonic I'm using a Heliopan ES 72mm UV-0 SH-PMC, in the Zuiko I have no filter. The detail of the oil painting was used to test shooting in doors with flash (Olympus F280). The tree in the image is ± 40m away (43,7 yard) Regarding focus, since I did a lot of film photography I found that I can focus with relative easy. But for this photos I focus with the aperture wide-open with the help of digital enlargement of the image and then stop it down prior to taking the image. Another thing that I was not expecting was that the Zuiko give an image that is 125% of the Panasonic when in 300mm. I use the Olympus MF-2 Adaptor. So, is there a way to improve sharpness of the Zuiko lens outdoors? Am I missing something, since I have seen “ultrasharp” pictures posted with Zuiko lens? Or I must only use it in my OM-4 T body?