Check the listing for details. Objective Microscope Lenses Misc Jonco 40 0.65 / Kyowa Tokyo 10 0.25. Condition: Used. Listed at 13.99 USD. Used but in good condition. Both ends of lens were cleaned with optical lens cloth prior to listing and pictures. No nicks, dings, or scractches seen in lens with naked eye. I'm not sure what the numbers actually mean - you as an expert should - I'll leave them to you to interperet - I won't be able to answer questions on focus, magnification, or compatibility. See photos. Untested as I have no microscope to put my lenses into. See photos Measurements shown in photos; measuring device(s) not included. Domestic returns accepted. Refund will be given once item is received in pre-listing condition as indicated in the posted/requested pictures and description. Partial refunds may be applied for items received in condition other than how they were sent and will be denied outright where applicable (e.g. if serial numbers do not match, if item returned is not item sent to buyer, if item has been excessively used, if item is no longer salable, if a new factory sealed collectible is sent back opened, etc...)