according to April 2018 issue of Shipborne weapon (chinese lang.).the latter production model of Pl-10 may incoporate 256x256 InSb imaing seeker.which gave the missile greater clarity over thw orignal 128x128 array seeker adpted by earlier version of Pl-10. Ying-3 designator pod original appear on 2016 zhuhai airshow,but technical detail were compltely absent.but the Ying-3 330 use 640X512 array CCD and third generation Laser range finder/spotter. the CCD is a improvement over WMD-7 which used 320x240 element. higher number element provide Ying-3 twice the resolution and clarity .detection range quote at 30km.(WMD-7 is 22km).aside from from guiding laer guide weapon, it can also design target of GPS/Beidou guide bomb. it is strongly believe much higher element CCD (1000 plus elemtn array) might pop up. magazine gave no detail about 360 and 390.360 might be rebrand wMD-7.or it might contain redesign camera and Laser range finder.