Quote:
Originally Posted by mineistaken
I noticed that even crappy 60 eur android phones have f/ number at 2.0 while decent point and shoots (that shoot better than lets say iphone 6, but maybe not better than iphone 7) has f/ number at 3.2-6.9 or something. Aka WAY worse than super cheap crappy smartphone. Can we assume it is only because smartphone cameras are small and not so much of a shutter work time etc (speaking in noob language here, lol)
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The f number is a mathematical ratio. Because cell phones have a really tiny sensor, it's possible to have decent f numbers on a cell phone as compared to a camera with its bigger sensor. However, the tiny cell phone sensor usually means poor resolution of fine detail and poor low light performance (lots of noise in the photo).