15x Loupe utilizes a three-element, two group achromatic optical glass construction. Bright, sharp, loupe with a 360 degree clear acrylic base to admit light from all directions.
Inner Diameter of the Eye Piece 3/4"
Outer diameter of the base 1 3/8"
Focal Length: 21.8mm
Field of View: 19mm
Size: 36 x 34.5 mm
Net Weight: 18.4 g