Size and weight are big decision factors when you are trying to find the ideal camera for your needs.
In this section, we are going to illustrate the Canon 1D MIII and Canon 1D MIII side-by-side from the front, back and top in their relative dimensions. Canon 1D MIII has external dimensions of 156 x 157 x 80 mm (6.14 x 6.18 x 3.15″) and weighs 1335 g (2.94 lb / 47.09 oz) (including batteries). Canon 1D MIII has external dimensions of 156 x 157 x 80 mm (6.14 x 6.18 x 3.15″) and weighs 1335 g (2.94 lb / 47.09 oz) (including batteries).
Below you can see the front-view size comparison of the Canon 1D MIII and the Canon 1D MIII. In this case, we can see that Canon 1D MIII and Canon 1D MIII have the exact same height, width and thickness.
Here is the back view size comparison of the Canon 1D MIII and Canon 1D MIII.
Now lets look at the top view comparison of Canon 1D MIII and Canon 1D MIII.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Canon 1D MIII and Canon 1D MIII have exactly the same weight of 1335g.
Also keep in mind that body weight is not the only deciding factor when comparing two interchangeable camera bodies, you also have to take into account the lenses that you will be using with these bodies. Since both Canon 1D MIII and Canon 1D MIII have the same Canon EF lens mount and APS-H sized sensors, lenses will not be a differentiator on total size of the system.
Weather Sealing
Both the 1D MIII and the 1D MIII have weather sealings in their bodies, making them resistant to water and dust.
LCD Screen Size and Features
Canon 1D MIII and Canon 1D MIII's LCD screens have the same diagonal size of 3.00 inches.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.