I'm a lady that is slight of frame so I'm looking for a bag that when it is on my back is not too bulky. I do not want a shoulder bag as I have tried them and want something on my back instead. Here is what I'd like to carry: - OM-D with 25mm 1.4 mounted - iPad mini or 11" MacBook Air (can be too small for Air as long as it at least fits the iPad mini) - iPhone - Wallet - Extra batteries, lens hood, OM-D flash unit I bought the incase point and shoot field bag but I have to remove the lens from the body and can't fit a wallet. Thinking about the incase dslr sling pack but I want to look at all options to see if something smaller is out there. I prefer a bag that is worn on the back as opposed to a shoulder bag but can be one strap or two. Any suggestions? I have previously owned a Think Tank Retrospective 5 so I know that I prefer a bag worn on my back and not a shoulder bag.