One of the important issue for the attachment of conversion lens onto the Smartphone is how to setup the lens flat enough, especially the latest model of Smartphone has multi camera. Clip is no longer the best way because it is difficult to clip it safe. Case or cage become important to professional way of attachment. Until the coming of “Flat clip”.
On Iphone
Main Camera
Even the smartphone has internal Ultra Wide or Zoom Camera. Because of the CMOS size is almost double on the Main Camera, after zooming, the image quality is Obviously decline. It is the most important to clip flat the conversion lens to the main camera.
Front Camera
Front Camera Always uses for selfie, especially gathering, image quality is not important, but the Angle of view(AOV) must wide enough. Frankly, most of the front camera AOV is not enough. Sometimes, that is the good idea if wide lens can be used at front. It is also useful for conference meeting.
On Samsung
FotoZ 