The Ellipse Tool (U) will be helpful in representing roundness, placing it the same way shown below:



Select Blending Options>Stroke and set the parameters from below:

 



We have to insert several inscriptions now, just for the camera to be totally finished. The first one: The inscription will be situated on the objective glass. Select the Ellipse Tool (U) and represent the roundness on the objective. Next select the corresponding instrument for writing the text - Horizontal Type Tool (T). Make a click on the roundness’ edge and write the text, colored with #777676, as it is shown below:



Make the text look more in relief, so it’s necessary to select Blending Options>Drop Shadow

 



It’s necessary to insert the Canon logotype, because we have entitled the camera Canon. This should be the second inscription. Find the original type and place it as it is represented below:



Apply several effects on it: Blending Options>Gradient Overlay