Here is an attempt at a review of the Lowepro Vertex 300 AW backpack.
The specifics of Vertex 300 is that it is a very rugged backpack adapted for bad weather, and that it has room for a laptop and quite a lot of photo equipment.
The official Lowepro product page for the backpack is here
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A couple of figures about the bag:
Total size of bag: 33 x 26 x 55 cm
Size of camera compartment: 31 x 16.5 x 52 cm
Size of computer compartment: 30 x 5 x 50 cm
Note that Lowepro marks it with the Airplane icon. However, a lot of companies limits the size of cabin luggage to 25cm thickness, and the Vertex 300 AW is 26 cm. I actually think the 26cm figure is a bit optimistic - it depends a lot on if the harness is counted or not.
Alas, I forgot to measure the weight of the bag, before I started to fill it up with equipment. Obviously, it is quite a heavy bag, because of it's size and amount of padding, but the weight isn't really important compared to the weight of all equipment that fits in it.
Since the Vertex 300 is quite roomy, it also means that when fully loaded, it will weight quite a lot! Because the laptop compartment is on the outside, the backpack will not feel flimsy if no laptop is put in the bag.
A big bag with room for a lot of equipment will also be a very heavy bag. Because of this, the Vertex 300 has a very vell-padded harness, with a lot of adjustment points. As can be seen to the right of the image, there is a cover that may be put over the harness using a zipper, in case the bag is sent as checked luggage. When not in use, the cover fits in a pocket under the bag. I don't know if it is a recommended usage, but the cover is also quite good to sit on.
Like other Lowepro AW bags, there is a cover that may put on the backpack to give extra protection from rain and dust. Because of the ligth color, it is reasonable to think that it also reduces the temperature inside the backpack in warm weather. When the cover is not used, it is stored in a compartment under the bag.
Here is picture of the main compartment I have removed a "roof" that was placed above the extra-padded lens fittings. The roof made it a bit hard to remove the camera.
Main compartment filled with items.
An overview of all items that fits in the bag.
The inside has a couple of pockets, but they shouldn't be crammed too full, or the contents will be pressed agains the separator walls. However, as can be seen in a previous photo, the main compartment is quite deep, and the separator walls are not full height, so there is still room for a number of items in the pockets.
The middle pocket is suitable for filters, flash or similar that should be quickly accessible without opening the bag fully. Alas, a 580 flash is too bulky to fit there.












