16-50mm is the standard focal length, which is used for daily shooting, suitable for daily shooting, and can be used for various subjects, such as landscapes and portraits.
The maximum aperture imaging quality of 16 biscuits is not as good as 16-50, or even as good as 18-55. Purple edge and distortion are more prominent, and purple edge must be improved by accepting aperture below F4.
Extended data
16-50 can only be shot at close range. 16mm is a wide-angle lens, and 16mmf2.8 is a fixed-focus lens with an aperture of 2.8, which is relatively large and wide-angle.
Volume is the biggest advantage of 16 cake, but this advantage is not obvious compared with 16-50. If the money is not bad, it is recommended to enter a 50/ 1.8 oss (simply speaking, you can take portraits with busts or big heads, and you can also take close-ups of objects and scenery at ordinary times), and you can take sketches with anti-shake, which has a good reputation.
After Sony introduced 20mm cookies, the practicality of 16 cake was ignored, but the price of 16 cake was cheap, and it could be used with additional mirrors as ultra-wide mirrors.