Glass

Front element

Hairline coating scratch near the outer rim, 1/4" long. Absolutely no effect on image quality.

Rear element

Flawless

Imaging

Sharpness

20/20 line pairs/mm (horizontal/vertical)

Spatial consistency

All quadrants equal sharpness

Aperture consistency

Normal wide-open and stopped down

Chromatic abberation

Normal

Lens flare

Normal

Mechanicals

Manual focus ring

Flawless

Autofocus

Normal speed, sound, and accuracy

Active stabilization

Normal operation and sound

Aperture blades

Smooth, clean, full range of motion

Zoom ring

Flawless

Distance scale

Rotates accurately

Filter ring

Accepts filter

Cosmetic

Barrel

Missing some paint around the barrel by focus ring

Tripod ring

n/a

Hood/caps

Minor scuffs and scratches

Internal dust

Light

Notes

Nice lens shows some wear, but resolves like a champ. Lens includes hood, caps, and original bag.