ITEM NAME:WF5X Biological Microscope Widefield Eyepiece Optical Wide Angle Lens 30mm for Description: WF5X widefield eyepiece. 5X magnification eyepiece lens. 30mm Interface suitable for Biological Microscopes. It is Achromatic (International DIN/JIS) standard size with outside diameter of approx 30 mm. Specification: Feature:Wide Angle Material: Metal Magnification: 5X Mount: 30mm, Suit for Biological Microscope Package Includes: 1 Piece WF5X Widefield Eyepiece SKU: ALU0035544377008728.WF5X widefield eyepiece. 1 Piece WF5X Widefield Eyepiece. 5X magnification eyepiece lens. Mount: 30mm, Suit for Biological Microscope. 30mm Interface suitable for Biological Microscopes. Feature:Wide Angle.