Micro-single:
XM 1 is the best of the three, and X-trans technology is a photosensitive element in APSC format.
The positioning of XA 1 is lower than that of XM 1. The most important thing is that the photosensitive element does not use Fuji's most distinctive X-trans, and the color is compromised, but the high-definition image quality is slightly better than XM 1, and the effect of shooting night scenes should be slightly better.
So if the budget is sufficient, choose XM 1.
XA 1 is cheap because the photosensitive element is different from XM 1, but it is also a good choice in the case of limited budget.
card
X20 lens can't be changed, which is actually the positioning of high-end card machine, 2/3 inch X-trans. Although the picture quality is definitely not as good as the above two because of the small frame, it is much better than other card machines. Because X-trans technology is adopted, Fuji's characteristics are also retained in color, and with the optical viewfinder that the above two machines do not have, you can experience the operation experience of the paraxial camera.
From the lens perspective:
Micro-single:
There are many lens choices: the official sets XC 16-50mm (equivalent focal length 24-75mm) of XM 1 and XA 1 are also cheap versions of Fuji XF 18-55mm, which is enough for novices, but if we want to give full play to Fuji's advantages in color, at least. Other focusing heads (such as 18f2, 23f 1.4, 27f-2.8, 35f 1.4) can also be considered, depending on the requirements.
Card:
No lens option: X20 lens, equivalent focal length 28- 1 12mm, aperture f2-f2.8, and the focal length and aperture level are very good. If the quality requirements are not very high, you can choose this card machine.
To sum up:
Budget 5000
XM 1+ 16-50 (good figure+average lens)
XA 1+ 18-55 (general fuselage+good lens)
Budget 3000
XA 1+ 16-50 (if you plan to upgrade the lens in the future)
X20 (compared with literature and art, it is enough for users who don't plan to study photography in depth, and it is more interesting than the above).
One last thing:
In fact, Fuji's most cost-effective machine is XE1+18-55,500 yuan. If you don't mind that it doesn't have a flip screen and wifi, this is the most worthwhile machine and a relatively serious choice.