As ‘Columbo’ used to say on


As ‘Columbo’ used to say on TV, ‘Just one more thing’; do not exceed, when panning or tilting, the speeds capable of being accommodated by the dreaded ‘roller-shutter’ action of CMos image-sensing systems. If you do, or find yourself pushing the envelope a bit, some roller-shutter effects may be mitigated, or eliminated altogether by software such as ‘Mercalli 4’.

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Best Canon lenses — 2021

There are a number of Canon lenses on the market for both their DSLR and mirrorless cameras, these are our picks for EF, EF-S and RF mounts.