We should get the next pattern:



Enter now the Blending Options>Inner Glow and select the next parameters:

 



Apply the next options: Blending Options>Inner Shadow

 



Enter Blending Options>Drop Shadow to set the parameters indicated next table:

 



Using the Pen Tool (P), try to picture an element as the one from the picture, having the color’s code #C4A565



Fill 47% on the layer.
Select Blending Options>Stroke to set the next parameters::

 



Press the Alt button and make simultaneously a left mouse’s click between the marked layer and the layer containing the camera’s corps



It’s the result we must get: