Are you smarter than a 55-300? For this Bigmos, the answer is no.

Started Jul 4, 2014 | Discussions thread
Leandros S Senior Member • Posts: 1,970
Focal length

Depending on which review you read, the lens is described as soft from 400 or 450mm. So both Paul's soft shots at 500mm and your sharp ones from 267-370mm are "within spec".

Take a look at DxOMark's resolution graph on this matter (mounted on K-3):

It drops to about 2-3 MPix effective resolution beyond 450mm...

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