Canon UK has announced the official launch date and recommended retail prices of its new super-telephoto lenses, the Canon EF 500mm f/4L IS II USM and EF 600mm f/4L IS II USM. Each lens includes the highest-quality components, and features high-specification image stabiliser technology alongside the use of optical materials such as fluorite, to correct aberrations ensuring high-resolution images rich in detail and contrast. The redesigned, comparatively lightweight construction will provide added mobility alongside enhanced protection against dust and water, the company says. Both lenses will be available from May 2012, with RRPs of £8,999/€10,799 for the 500mm and £11,299/ €13,549 for the 600mm. All of these prices include VAT.