I bought this lens at a reasonable price compared to other stores for the same lens. My main concern is that this lens contained a lot more internal dust and specs than the photos/product description suggested. This doesn't affect the lens when I'm shooting fast or in brighter conditions, but for long exposures and darker conditions where I need to slow the shutter down, this lens isn't perfect and requires more work in post-processing than I like. Of course that's to be expected from a good used name brand lens at a good price, but it was probably 25% more than I expected.
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