Lens: Good vs Bad copy

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altruistic 123 Junior Member • Posts: 37
Lens: Good vs Bad copy
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After testing several lenses, I have found out there is a difference between two copies of the same model.

Sometimes, the difference is huge.

When you stop the aperture down, the bad copy starts catching up.

They are all functional and have never suffered from any serious damage.

I guess it could happen to any lenses from any brands.

Feel free to share your results ^^.

1st comparison (Olympus 45 1.8)

Bad 45 1.8 @ 1.8

Good 45 1.8 @ 1.8

Bad 45 1.8 @ 4.0

Good 45 1.8 @ 4.0

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