Which aperture is better for a mobile camera : F1 .8 , F2 .0 , or F2 .2 ?
Which will be a good choice for portrait photography : a Fujifilm X-T1 -LRB- with provided standard lens -RRB- vs a Samsung NX500 -LRB- with a 16-50mm f2-2 .8 lens -RRB- ?