Lens resolution figures have long been stated in line-pairs per millimetre but in the digital arena it is common to use cycles per pixel: what is the difference and how are these two resolution metrics related to each other?
Compact System Cameras are, in many ways, the best of both worlds; they and small and yet also very versatile. But by the same token, Compact System Cameras may be viewed as being awkwardly cramped and poorly suited to some kinds of photography…
The arrival of zoom lenses changed the way photographers approached their subjects. In the days of primes you had to move to another spot to change the composition but zoom lenses removed the need for that… or did they?
Tamron’s new 18-270mm, with its piezoelectric motor, was named EISA’s European Zoom Lens of the Year 2011-12. Yet the same Tamron 18-270mm zoom failed to shine when tested for the October edition of WDC. How can that be?