´╗┐Task-Vision Loupes, worn like spectacles, feature a focusable working distance of 10 to 17 in with fine focusing on both telescopes. They offer a wide field of view (3 in) and aspheric┬á(distortion-free) and achromatic (color-correct) hard-coated optics with 2.5x magnification. For more information, call (800) 257-5782, e-mail This e-mail address is being protected from spambots. You need JavaScript enabled to view it , or visit the Web site visionusasupplies.com.