Not having used the E-PL1 for some time I decided to take it out of mothballs and put the new Tamron 14-150 on it. I've used the E-PL1 since it came out and it has given me a lot of fine images using different lenses. It didn't let me down here either and I was quite surprised to see the Tamron performing better than on the E-M5. In fact this lens delivers better results on every camera except the E-M5. For some reason it doesn't like that camera at all. Something to think about in the near future.