Physical
Cheap looking plastic
Metal mount
Not weather sealed
Focus ring
Solid
Loud when turning
Rotates smoothly
Front element rotates when it focuses (Polarizer use will be affected)
Auto-focus
Loud
Slow
Past 200mm, the auto-focus is inaccurate
More accurate on full frame as compared to APS-C (because of crop factor)
With Auto focus set, focus ring cannot be rotated (for manual focus)
Sharpness
Decreases in sharpness as zoom increases
Can be recovered with a high/highest aperture (f/22)
Probably sharpest at 75-125mm
Less sharp on APS-C as compared to FF
Chromatic aberration
Increases as zoom increases
Can be reduced with a higher aperture (f/8 or 11)
More is visible in APS-C as compared to FF (because of crop factor)
Stabilization
None, requires tripod
Not recommended for video
Zoom ring
Harder to turn in small increments
Easy to turn with large increments
Bokeh
Harsh and busy looking
Check out the lens on Amazon:
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