7.46.3 Can you answer these questions?

7.46.3.1 Magnifying a lens
7.46.3.2 Simplest method for positioning Tikz shape over image in relative coordinates
7.46.3.3 Modify moderncv
7.46.3.1 Magnifying a lens

https://tex.stackexchange.com/landing/r/digest?cta=question&id=606813

I'm trying to draw a lens with camera in the middle similar to the ones in the iPhone and then I want to zoom it. This is what I could do so far. 
Whenever I try to minimize the lens to fit the pipe ... 
[tikz-pgf] [zooming]
 
asked by Diana https://tex.stackexchange.com/landing/r/digest?cta=user&id=98778 1 vote
7.46.3.2 Simplest method for positioning Tikz shape over image in relative coordinates

https://tex.stackexchange.com/landing/r/digest?cta=question&id=606819

What concise recipee is there to overlay objects on top of images, using relative coordinates (such as fraction of image width/height)? 
For example trying to draw a red rectangle to highlight a ... 
[tikz-pgf] [overlays] [coordinates]
                                                                                  

                                                                                  
 
asked by PlasmaBinturong https://tex.stackexchange.com/landing/r/digest?cta=user&id=95423 1 vote
answered by John Kormylo https://tex.stackexchange.com/landing/r/digest?cta=user&id=34505 0 votes
7.46.3.3 Modify moderncv

https://tex.stackexchange.com/landing/r/digest?cta=question&id=606799

I'm trying to build a resume based on the modern cv package. However, I'd like to modify a few features (included a photo of my final goal). 
I went through the description of the original pacakage but ... 
[moderncv] [cv]
 
asked by user246001 https://tex.stackexchange.com/landing/r/digest?cta=user&id=246001 1 vote