Lens Rating System

Photography is part art, part science; choosing and using lenses similarly blends subjective and objective views. The ultimate merit of a lens is arguably best measured by its ability to become invisible, to deliver unadulterated reality to the film plane. However, lenses by definition offer the camera an interpretation of reality. They are designed according to constraints …

DXO V3 Review

[published february 2007] DXO: Digital Problems, Digital Solutions Once upon a time, the photographer’s work was done when the shutter curtain fell. Now it’s just beginning. The digital age has somewhat diminished the role of the ‘shutter monkey’ in today’s busy studios. Supervised creatively by Art Directors, in technical matters they are likely to defer …

Mamiya ZD Review

[nextpage title=”First Impressions (June 2007)”] For me, this system, comprising a Mamiya 645 AFD and the brand new ZD digital back, represents both a step backward and a step forward: a sort of karmic splits: a return to Mamiya medium format (I loved my 7 II), and a tentative move into the realm of ‘oversized’ …

Zones and Circles

You may have noticed and/or been confused by the convention used here in which lens performance is addressed by ‘Zones’ rather than the more commonplace ‘centre, edge and corner’ designation. At the risk of treading on the toes of Ansel Adams of Fred Archer, I feel that this, more empirically explicit, system is helpful. Here’s …

35mm Shift Lens Group Test

Contax PC-Distagon 35/3.5 v Nikon 35/2.8 PC-Nikkor v Olympus 35/2.8 Shift First published December 2007 Comparative data about 35mm shift optics is hard to find, but there’s no shortage of options: Nikon, Contax, Olympus and Pentax all have 35mm f2.8, f3.5 or f4 versions branded as shift, PC or Perspective Control. Canon previously offered a …

Nikon 14-24mm (21mm Group Test)

Nikon 14-24mm f2.8 G v Contax Vario Sonnar 17-35mm f2.8 v Contax 21mm f2.8 [published january 2008] Very few zoom lenses behave consistently from end to end. Most are deliberately optimised for wide- or long-biased performance; some vary that way accidentally from sample to sample. It is probably more common for lens to be at …