Tested my 55-200mm is this acceptable?

Started Dec 9, 2019 | Discussions thread
bemeta Regular Member • Posts: 353
Re: Tested my 55-200mm is this acceptable?

I suppose Inpuressa used something along the lines of https://phillipreeve.net/blog/how-to-check-how-decentered-your-lens-is/ . I do not know if it is a suitable method to detect decentering or tilted lenses (if it is, it would only detect faults at greater focus distances of course, but defects might show unevenly across focus and zoom ranges, the ones at closer distances would go undetected.).

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