The focal length of the portrait is equivalent to the 85mm focal length
It is the golden focal length pursued by the portrait photographer
You can shoot the whole body with a little movement, and you can shoot the half body
The whole metal is made of aluminum-magnesium alloy, which effectively improves the wear resistance of the lens 
Large apertures can get more light input
Get better blurring and highlight the subject

Basic parameters:
Lens classification: micro single lens        
Filter size: 49mm
Full frame: not supported                
Focus mode: manual focus 
Maximum aperture: F1.4            
Focal length: 55mm
Standard fixed focus            
Lens anti-shake function: without anti-shake
Full frame: not support              
Lens type: pure manual lens
Lens filter size: 49mm       
Shooting scene: still life insect travel character business 
         
Optical parameters:
Focal length: 55mm                  
Recent focusing distance: 0.35m
Maximum aperture: F1.4              
Aperture number of pages: 14
Minimum aperture: F16               
Optical structure: 5 groups of 6 pieces