Zeiss Distagon T* 2.8/21 Loxia

Specifications:

Focal Length 21 mm
Min. Aperture f/2.8  
Max. Aperture f/22  
Blades: 10  
Elements: 11  
Groups: 9  
Min. Foc. Dist. 0.25 m
AF: no  
Stabilization: no  
Class: Full Frame  
Mount: E  
Filter: 52 mm
Length: 72.0 mm
Diameter: 62.1 mm
Weight: 394 g
Launch: 2015  

Results:

Resolving Power: - σ = 0.0
Contrast: - σ = 0.0
Color: - σ = 0.0
Bokeh: - σ = 0.0
Star: - σ = 0.0
Distortion: - σ = 0.0
Falloff: - σ = 0.0
Flare: - σ = 0.0
LaCA: - σ = 0.0
LoCA: - σ = 0.0
LenScore™ - σ = 0.0

Number of lenses measured: 0