Ttartisan announces two premium prime lenses

MACRO LENS ROUND-UP

For shooting close-ups, you can get a tight depth of field, even at the shortest zoom setting. www.sigmauk.com

Our comprehensive listing of key specifications for mirrorless lenses

Zoom lens Canon RF 75-300mm F4-5.6

Geoff Harris is working on his bird photography – but is the Olympus M.Zuiko Digital ED 300mm F4 IS Pro a help or a hindrance?

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