Check the listing for details. One HIGH QUALITY WF5x, WF15x or WF20x MICROSCOPE EYEPIECE (30.5mm) BNB. Condition: New. Listed at 29.10 USD. One HIGH QUALITY WF5x, WF15x or WF20x MICROSCOPE EYEPIECE (30.5mm) Field of view is 20mm, 13mm and 10mm for WF5x, WF10x and WF20x receptivelyFitting diameter of 30.5mmFully coated optics gives you a sharp quality image and the Wide field feature reduces eye strain and fatigue. QUALITY PROMISE If you are not happy with the item for whatever reason, please return it to me with original package within 1 month and you will get a FULL refund. DELIVERY The item will be posted the same day your payment is received if possible. Otherwise, it will be posted the next day. Please note that all payment received during weekend will be posted the following Monday. Intentional Buyers please see postage details. Buy from a UK PowerSeller with more than 37,000 happy customers and buy with TOTAL confidence!