Looking at sharpness, at 24mm the centre is outstanding from f/4 to f/8, excellent at f/11 and f/16 and still very good at f/22. The edges are good at f/4, very good from f/5.6 to f/11, good at f/16 ...

Relative clauses are parts of sentences that can be added after nouns to give the reader more information. I have a dog that loves chasing balls. In this sentence, the noun is ‘dog’ and the relative ...