My venerable Sigma 150mm f/2.8 EX DG IF HSM  macro (to use its full, slip off the tongue, title) virtually lives on a Nikon D7100 body.  For over a decade, it has seen heavy...

I was really delighted when, over a year ago Luis Manuel Iglesias Nuñez asked me to provide a preface for a book he was writing.     We have never met...

It took many years (and a not a small amount of pleasure) before I had to concede that I was not really a night person. Perhaps it is a consequence of...