Macro and close-up photography
As regular readers of What Digital Camera may have detected (and I make no apology for returning to this topic)...
Author: Jon Tarrant
Are all AF areas equal?
A friend who works in IT likes to warn against the dangers of making assumptions: “assume,” he points out “makes...
Are cellphones good news for photography?
Which company is the world’s biggest digital camera manufacturer? I was at a conference last week (nothing to do with...
Perfect Lenses (part 1) – Image Quality
According to WDC’s scoring system, a perfect lens is one that scores 20/20 in five separate categories; Features, Design, Image...
Perfect Lenses (part 2) – Features
It would make sense for a lens that was adorned with every imaginable advantage to score 20/20 in the Features...
Perfect Lenses (part 3) – Design & Performance (Yes it’s lovely but does it actually work?)
Sometimes a lens can look great on paper but prove disappointing when you use it in the field. This is...
AF sharpness problems (part 2)
A couple of weeks ago I promised to report on an apparent problem concerning inaccurate focussing when an off-centre AF...
As Good as New
It is a sad fact that many lenses arrive for review in something of a sorry state, with items missing...
Diffraction-limited
“Diffraction-limited” is a term that is often bandied around in the context of lens performance so it’s time to look...