With bright 28w Daylight™ light, the unique 17.5cm/7” XR™ lens and the new Free-Motion head-joint™, this lamp combines the latest innovations in lighting design. These new features make your lamp extremely easy to operate and reliable. The Daylight™ energy saving tube ensures that you have plenty of comfortable daylight light to work with. The XR technology™ makes the lens 50% lighter, extra resistant and easy to clean. And the new head-joint guarantees you precise and smooth positioning of your lamp without constantly having to tighten the wing-nut. The lamp includes an electronic ballast so you can work longer in comfortable light and it has the Quick Lens Swap System™ so you can increase the magnification in seconds without any tools.