TTArtisan 21mm F1.5 Full Frame Lens For Sony E A7M4 A7R5 A7RV A7sII A7cII Camera
The lens structure of TTArtisan 21/1.5 is 11 sets of 13 pieces. The large aperture of the F1.5 is matched with the wide-angle focal length of 21mm. A wide enough perspective can be obtained in the creation of scenery.