Multiple Exposure Discussion

Neither of my Canon digital cameras have a multiple exposure function.
These were exposed together in Adobe Photoshop CC.

This multiple exposure photo has an aperture of f/4.5 and ISO setting of 200.
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This multiple exposure photo has an aperture of f/2.6 and ISO setting of 100. 
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This multiple exposure photo has an aperture of f/8 and ISO setting of 640.
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This multiple exposure photo has an aperture of f/8 and ISO setting of 400.
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This multiple exposure photo has an aperture of f/5.6 and ISO setting of 100.
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This multiple exposure photo has an aperture of f/5.6 and ISO setting of 100.

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Please provide me with your comments and feedback below or on the discussion board. Thanks!

-Brandt