When everything is important, Nothing is Important
Archive for June, 2010
Canon EF 70-200 F2.8 L IS II USM
Jun 6th
Introduction
The EF 70-200mm F2.8 L IS II USM was announced in January 2010 as a replacement for Canon’s fast image-stabilized telephoto zoom, the EF 70-200mm F2.8 L IS USM, which dates from 2001. With the rapid increase in SLR sensor pixel counts placing lenses’ optical qualities under ever finer scrutiny, the company clearly felt it was time for an update for this professional workhorse, and has revamped the design accordingly. In the process, it claims to have improved almost every aspect of the lens, including the optics, autofocus, image stabilization, and the mechanical design.
The optical formula is suitably complex – 23 elements in 19 groups – and includes no fewer than five ultra-low dispersion (UD) glass elements, plus one made from fluorite, to minimize chromatic aberration. The minimum focus distance has been decreased giving improved maximum magnification, the IS system updated to give a claimed 4 stops of stabilization, and the autofocus system revised to meet the demands of Canon’s latest fast, high-resolution DSLRs such as the EOS-1D Mark IV. The lens is also, as is usual for Canon’s L series optics, fully sealed against dust and water.
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Nikon D3000
Jun 1st
Review based on a production Nikon D3000
There is a temptation amongst those of us that shoot with and test DSLRs for a living to be more than a little dismissive about entry-level cameras like the Nikon D3000. However, first-time DSLR buyers are enormously important to camera manufacturers, and the competition amongst them for a share of the entry-level market is intense. The D60, which is replaced by the D3000, was Nikon’s best-selling DLSR, and it is the success of products like this that drives the development of everything from low-end Coolpix models to the recently announced professional level D3s. But the success of entry-level DSLRs isn’t just good news for camera manufacturers – today’s ‘low end’ offerings are highly specified, powerful tools, which – had they been released a few years ago – would have commanded much higher prices than they do today.
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