Setting one of these images as the wallpaper of your device makes it appear as though you can see through it.
If you have an iPhone 5s or iPhone 5c, click here for your wallpaper.
You can find the iPhone 6, iPhone 6 Plus, and iPad Air wallpapers below. If you aren't a stickler for accuracy, iFixit has also posted some iPad Air wallpapers that are slightly zoomed out. Hit the link below to check those out!
iPhone 6 Plus:
iPad Air (LTE):
iPad Air (Wi-Fi):