How Nikon SLR cameras distinguish between high, middle and low grades

Look at the numbers, of course, there is no fixed rule. Let me outline the current models. . .

High-end:

1:d 1÷? D2？ D3, mostly used for sports and sports photography;

2:d 1X÷? D2X？ D3X, mainly used for high-quality photography such as business and advertising;

Alto:

1. Full width: D700, which is aimed at most photographers and meets professional requirements;

2.DX:d 100÷? D200? D300, to satisfy photographers' pursuit of high quality;

Entry level:

1.CCD:D50﹀？ D70？ 〈? D80, to meet the daily use of photographers, and as the best choice for entry and upgrade;

2.CMOS: D90, a new generation of photosensitive elements, a new generation of processing engines, a new generation of photography style, and a simplified version of D300, the performance will not be introduced. . .

Entertainment type:

D40？ D40X? D60? D5000 makes most families satisfied with the fun of high-quality photos. . .

I am a close friend of Nicole, and the above views are purely my own. . .