DESC: Features:Precision, achromatic 10x optics system ensures crisp, clear lesion border definition and true pigment pattern rendition.Reticle contact plate facilitates measurement for more accurate diagnosis and objective tracking of lesion growth.Fits any 3.5v Welch Allyn power source for convenient, inexpensive additions to Welch Allyn diagnostic instrumentation.Large, knurled focusing ring allows you to get sharp focus easily.Rubber eyeguard provides superior comfort and folds down for spectacles.Product Information:The Welch Allyn EpiScope Only (Model 47300) provides accurate identification of suspicious lesions by providing the ability to magnify, illuminate, and measure lesions. Welch Allyn's EpiScope helps doctors allay patients' concerns by examining the entire skin surface and making accurate measurements of skin lesions. Additional Features: Owner's Manual includes introduction to skin surface/epiluminescence microscopy, tables of diagnosis criteria, and 50 detailed lesion phot