Which words spring to mind when you think about 70-200mm zoom lenses – solid and dependable or fragile and unreliable? Lenrentals’ Roger Cicala has just published an analysis of the failure rates of the 12,000 lenses he rents out, and the results may surprise you. Even having taken into account popularity and accidental damage, five 70-200s turn up in his highest failure rate table – including the latest models from Canon and Nikon.