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Yes, the wide angle lens is exactly the same on both phones. 12MP, f/1.8 aperture, optical image stabilisation, optical zoom, digital zoom at up to 10x, wide colour capture for photos and Live Photos, quad-LED True Tone flash with Slow Sync, Portrait mode, and Portrait Lighting (beta).
 
All specs are exactly the same on all 3 models, except for OIS. OIS on telephoto lens is X only.

Also the regular 8 doesn't have dual lens of course.
 
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