I have more different kinds of bags than I can easily enumerate, but here's what I use the most:
- normal walk around kit: Domke F803 Camera Satchel - shoulder bag
Typically this is the 10D, Hakuba wrist strap, 28/50/100 lenses, spare battery and memory card, sometimes filters and flash. It has room for other stuff, like a book and journal, more or less lenses, accessories. Wear with nice, wide strap across shoulders and back.
- long-lens solitary bang around: Lowepro Topload 75 AW - holster bag
10D fitted with BG-ED3 and 300/4L, possibly 1.4x Extender, spare batteries, cards, etc. Nice big holster type bag which takes modular accessory pouches if you want to carry more. Strap on a monopod and this is the kit for going to the races and doing wildlife.
- tripod carry, short lenses: Lowepro Mini Mag AW - shoulder bag with waist strap
10D fitted with RRS L bracket, 20/28/50/100 lenses, spare battery and card, remote/timer, filters and compact, lightweight tripod. Very easy to carry, very easy to set down and work out of.
- tripod carry, long lenses: Tamrac 5605 Pro - shoulder bag
10D fitted with 300/4L, 70-200/4L, 1.4x Extender, cards/battery/filters, remote/timer, lightweight tripod. Versatile enough for several different mixes of lenses and accessories. (Lowepro Mag 2 AW is very similar in size/form factor and in some ways I like it more.)
- long woods or city walk, general photography: Tamrac Velocity Pro 9 - sling backpack
10D fitted with 70-200 or 300, 28/50/100, filters, spares, etc. Plenty of room and versatility for different mixes of equipment, sits snugly on your back and doesn't catch in brush and stuff, waist belt helps support it, swings under your arm to the front for reasonably easy access. Topload design makes it less likely you'll spill everything on the ground if you forget a zipper. Big enough to handle camera with BG-ED3 fitted.
There are a LOT of bags out there. Look at the Crumplers, the Billinghams, the Lowepros, the Tamracs, the Domkes, the Tenbas... Depending upon what you want to carry and how you want to use it, there's something to suit your need.
I guess I use the Domke F803 the most. It's very versatile and doesn't even look like a camera bag. It's great for my daily bung around use as I normally carry the camera with just the 50 and 28mm lenses, Hakuba wrist strap.
Godfrey
I am buying a 10D and 28-135IS to start with. I intend to add some
telephoto lenses and a flash to my list soon. Can you tell me if I
should go for a shoulder bag or a backpack? Also please suggest a
brand/model
Thanks in advance
Nirmal