DermLite DL3 is a precision engineered and crafted from solid aluminum, it is the first handheld DermLite to integrate a 25mm four element lens, which instant greatly reduced optical distortion and a sharper image crosswise the field of view. The DL3 has been leading to be the tool of elite for the world's leading dermatologists. A major step forward is the DL3's fully retractable faceplate spacer design and focusing mechanism. For optimum ease of use, one button does it all A quick tap instantly toggles between polarization modes, and a longer push turns the unit on or off. Twenty one high powered LEDs produce approximately 30% more illumination in cross polarized mode than the DermLite II HR, and seven non polarized LEDs for immersion fluid dermoscopy create a brighter image than the equivalent mode in the DermLite II hybrid.