Dazor's LED Stretchview Magnifier is the ideal magnifier for precision viewing. The Daylight illumination color and quality promotes accurate viewing when observing subtle differences in surfaces. FeaturesExact positioning of the 80 fully diffused LEDs behind the lens allows for a choice between even, shadow free illumination, or a hi-lighting effect to emphasis contrasts on irregular surfaces6500K Daylight with 92+ CRI for superior viewing and color accuracyClear crown-optical glass lens for clear and distortion-free viewingFeatures Dazor's patented 33" classic-style floating arm for smooth and easy positioning of the lamp to any positionSturdy weighted desk baseDurable powder-coat finish5 year limited warrantyMade in the USA Magnification3-diopter 1.75X 13" Focal Length 6.75 x 4.25" lens5-diopter 2.25X 8" Focal Length 5 x 3" lens16-diopter 5X 2.5" Focal Length 3" lens