Not on par with a backpacking backpack
I bought every adventure camera bag on the market and tried it for a day. Thank you Amazon return policy! The f-stop is as close as your going to get to an Osprey or Gregory backpacking backpack with easy access to your camera gear. The only downside being the f-stop is not even close to the frame, breathability, and above all waist straps as a real backpacking backpack. That's a real shame, because it's so close. Small changes to the design and it would be so much more comfortable on a 15 mile hike loaded with 45 pounds of gear for an overnight image session. Everytime I go destination backpacking it's a decision. Comfortable Osprey and no access to the camera until I get where I'm going, or the f-stop sufferfest. For shorter hikes, it's not an issue and that's where this bag shines. Of all of the adventure camera backpacks it has the best waist straps. You can turn the bag around your waist, flop it down and access your gear without setting the bag down. In snow and mud this feature is crucial. It also comes in orange which is important when I'm shooting the elk rut and don't want to get shot. It's got plenty of room for a DSLR with a 24-105mm, 100-400mm, 14mm, 85mm and 35mm lenses, tripod, batteries, filters, memory cards... It's had thoughful additions like tons of little straps in the inside of the access door for all your microfiber cloths. With all the gear mentioned above I've carried a tent, two days of food, a couple changes of clothes, and 3 liters of water.All in all this the best adventure camera backpack and mine has been on many adventures. I just wish the designers would have spent a little more time with actual backpacking backpacks before they designed it.