I've been pondering getting a new bag for my gear, and I'm considering a sling bag, since there's been more than one occasion where I've been caught flat-footed with my K-20 in my current bag (
a Canon 200EG I got on sale a while back), and of course the shot was gone by the time I fished the camera out. I'm also starting to get paranoid about the fact that my bag doesn't have a rain cover-the flaps over the zippers don't really seem to be worth much in that department. It's also slides about a bit when I'm carrying it (it's sternum strap doesn't help much either), which is getting to be annoying, especially as I typically wear the bag all day when I'm about taking pictures. I admittedly don't like spending money on something that isn't a lens or a camera body, but I think the time's come to bite the bullet and be done with it. I want one that'll hold my camera with my 70-200mm f2.8c mounted on it, so the bag will have to be large, and I'm currently considering these three:
Tamrac Velocity 10 Sling bag.
+It's the cheapest of the three
+It appears to have a mesh back.
-It doesn't have a rain cover, like the other two do
-The one shoulder strap could be problematic over an all-day tromp-about
Kata 3N1-30 Sling/Backpack (this one I'm currently leaning towards)
+It has a versatile strap system (I was thinking I could wear it with the straps crossed over my chest, and just pop off one strap to quickly sling it over when needed.
+Has a rain cover
-No mesh back, so I'll be sweating more under it
-Tripod attachment for the bag is extra (but the other two don't even have an option for tripods, so it's kinda moot)
LowePro Slingshot 350 AW
+Appears to be the largest of the three (ie, I can stuff more stuff into it)
+Has a mesh back and a raincover
-Has only the one shoulder strap
-Is the most expensive of the three.
And I almost forgot, this is what I'd like the bag to be able to carry:
Pentax K20d and two spare batteries for it
Sigma 70-200mm 2.8
Tamron 1.4X teleconverter
Pentax FA 50mm 1.4
Tamron 28-75mm 2.8
Sigma 17-70mm 2.8-4 (not an absolute necessity, but it would be nice to lug it along, as I don't have a true wide-angle lens that I like)
Pentax 540 flash (not an true necessity either, but I'd prefer to have it and not need it than yadda yadda.)
Memory card wallet
4 circular polarizers of various size (I use lens hoods, so stepping rings aren't any good to me)
Rainsleeve for the camera (my lenses aren't weatherproof), bulb blower, filter rings, and spare flash batteries.
I should add that I thought about a harness-type system instead, but I'm not too crazy about trying to carry a 70-200mm lens in a hip pouch or something, as I'm a klutz and could easily bang it against something-the bags would offer more protection from that.
Thanks in advance for any insights.