Glass

Front element

Couple hairline scratches in coating with no effect 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 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

n/a

Cosmetic

Barrel

Minor suffs and scratches

Tripod ring

Acceptable

Hood/caps

Minor scuffs and scratches

Internal dust

Light

Notes

The zoom lock button is not functioning, but other than that, it is fully functional and operates up to spec. Includes front and rear caps, hood, and original bag.