There are several options to look at when considering which Canon sling bag is the best gadget bag for you. They're all designed to give you quick and easy access and to "sling" over your shoulder.
There are four key aspects to pay attention to when you're considering a sling bag for your equipment.
The picture of the sling bag on the right is how a bag designed for Canon PowerShot cameras and would not be suitable for a DSLR and several lenses.
There are also high end, backpack-type of camera bags that are marketed as "sling bags to consider. They are designed for the hiker and adventurer type of advanced photographer.
This video by a dslr video shooter shows three different models of the sling camera bags with capacity for cameras and gadgets than the smaller pure sling bags shown in the right column here.
There are also small sling bags that look like small backpacks and sling over your shoulder with a single, well padded shoulder strap.
Here is another video below, this one reviewing the Canon 300-EG sling bag. The video is a little dark in some parts, but it does a real good job of showing the size and describing exactly what you can fit inside.
I also found it a bit funny as the reviewer described it sheepishly as a bit of a "girly" bag. Perhaps it is just the right size for smaller female photographers.
The Canon 300-EG does have the side camera access which makes your camera and accessories available without having to take the camera bag completely off of your shoulder.
This sling bag also has movable dividers inside and a handy side-pocket for extra small accessories. It is definitely a gadget bag and not a multi-DSLR and lens bag, but it might be just the right size for your needs.
I include this video in this article because I think it will help you a good perspective in size options for your specific photography gear. Here are some more bags and backpacks to read about:
Any camera bag's most important feature is its size. The design of the sling bags I've included in this article are for a single camera body. Whether it's a Canon sling bag or a bag made by someone else it's important to figure out exactly what you want to carry.
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