# Kamlan Lens ## Kamlan 21mm f1.8 M43 S/N: M0601412 ### Sharpness Test at $\infty$ Meter ```mermaid xychart-beta title "Kamlan 21mm M43" x-axis Aperture [1.8, 2, 2.4, 2.8, 3.2, 4, 5.6, 8, 16] y-axis "Relative Sharpness" 7.2-->8.1 line [7.29, 7.32, 7.54, 7.74, 7.87, 7.87, 7.98, 8.06, 7.95] ``` ### Sharpness Test at 0.5 Meter ```mermaid xychart-beta title "Kamlan 21mm M43" x-axis Aperture [1.8, 2, 2.4, 2.8, 3.2, 4, 5.6, 8, 16] y-axis "Relative Sharpness" line [8.89, 8.95, 9.19, 8.74, 8.90, 9.08, 9.46, 9.57, 9.13] ```