The Aspheric Lens: This lens type has aspheric curves which allow for higher magnification with less distortion. Special Features: An ergonomic handle design makes it comfortable to hold. Specially calculated lenses provide distortion-free viewing. Positioning of handle makes this series suitable for right or left-handed users. Comes with carrying cord to place around the neck. Specifications: Magnification: 2.8x Diopter: 7D Lens Size: 100 mm x 75 mm Lens Type: Aspheric Mount: Black Matte Plastic. Lens Material: PXM with Cera-Tec Coating. Miscellaneous: The handle extension provides a loop for a carrying cord. Carrying cord included. Model Number: 2655175