Glass

Front element

Two tiny, faint coating scratches; no effect whatsoever on images

Rear element

Flawless

Imaging

Sharpness

22/22 line pairs/mm (horizontal/vertical)

Spatial consistency

All quadrants equal sharpness

Aperture consistency

Normal wide-open and stopped down

Chromatic aberration

Normal

Lens flare

Normal

Mechanicals

Manual focus ring

Flawless

Autofocus

n/a

Active stabilization

n/a

Aperture blades

Smooth, clean, full range of motion

Zoom ring

n/a

Distance scale

n/a

Filter ring

Accepts filter

Cosmetic

Barrel

Wear in grooves of focusing ring, some slight edge wear elsewhere

Tripod ring

n/a

Hood/caps

Hood has a significant scratch, otherwise minor scratches and scuffs

Internal dust

Light

Notes

Extremely high resolving power. Comes with hood and caps.