Hello I am owner of Olympus OM-D with panasonic 14-45 Lens. I am interest to buy one lens. My first problem was to buy Panasonic 20mm 1.7 or olympus 17mm 1.8. I ended on olympus..... After this i am wondering if it's better to buy 17mm 1.8 or 45mm 1.8 ?? Which lens you think it will be a better choice ?? Which of the two i will use more ??? In time i can buy only one of the two... Sorry for my english thx a lot??