An inaugural photography competition, organized by The London Camera Exchange, has delivered some truly exceptional images. Both winners and runners-up have set a very high standard across multiple genres.
Sigma's latest prime has been specially designed for mirrorless cameras. The 105mm focal length can be extended to 158mm and 210mm with the aid of Sigma's range extenders
Successful macro photograph can involve lots of care and special facilities. But Ivor took the remarkable Sigma 70mm f/2.8 Macro Art lens into his garden for some hand-held surprises.