A couple new EF and EF-S mount lens reviews
Here are a few new interesting review of 3rd party EF and EF-S mount lenses, from Photozone
- Sigma AF 70mm f/2.8 EX DG macro (Canon) review
- Tamron AF 18-250mm f/3.5-6.3 Di II LD AL [IF] macro review
- Tokina AF 100mm f/2.8 AT-X Pro D macro (Canon) review
The Tamron 18-250 looks like a great new version of the older hyperzoom. It looks actually useable! The two macro lenses from Sigma and Tokina add some good choices to the macro range.
An analysis of EOS-1D Mark III autofocus performance
Rob Galbraith takes an in-depth look at Canon’s Flagship DSLR’s AF performance.
In our first look at the Canon EOS-1D Mark III back in April, we described the camera’s autofocus as being blazingly fast at acquiring initial focus and quicker off the line in dim light than any camera we’d used before. But at times, it also had real troubles holding focus on static subjects as well as tracking moving subjects. Over the last three weeks, we’ve been shooting extensively with two full production EOS-1D Mark IIIs in an attempt to figure out whether the autofocus weaknesses (and strengths) of the preproduction body carry over to shipping units. Here is what we’ve learned.
Take a look here.