Replacement 2.1mm /2.5mm /2.8mm IR Sensitive Camera Lens For Foxeer

2.1mm lens:





2.5mm and 2.8mm lens:




Description:
Item name: Camera Lens
Standard Lens: 2.1mm /2.5mm /2.8mm 
FOV: 2.1mm: 140 degree
          2.5mm: 130 degree
          2.8mm: 90 degree
Note: 
2.1mm lens upgrade: Large angle, edge distortion small.