MS OPTICS 宮崎光學 MS OPTICAL APOQUALIA-G 28MM F2 III (LEICA M MOUNT)

SPECIFICATIONS
Gauss type with six elements in four groups
Focal length = 28.8mm
Maximum aperture = f2.08
Leica M-mount
Focusing = coupled from 0.9m to infinity, from 0.6m to 0.9m on mirrorless bodies
Filter thread = 28mm with 0.75mm thread pitch
Size = 50mm diameter x 9.8mm length
Weight = 70 grams

@ f2 Resolution over the entire field is good
Outside the center 20mm circle, coma flare increases and contrast drops

@ f4 High image quality over entire field
Beautiful image with no astigmatism

@ f8 Highest resolution
Waviness in contrast is due to image plane field curvature