The standard for outdoor use binoculars is Seecoast at: http://www.seecoast.com/ Coin and non-coin models, wheel chair accessible or standard mount. I've purchased a few of them over the years for various contexts, and they are extremely durable. Aaron Goldblatt Assistant Director Wagner Free Institute of Science 1700 West Montgomery Avenue Philadelphia, PA 19121 215-763-6529 x11 voice 215-763-1299 fax [log in to unmask] ========================================================= Important Subscriber Information: The Museum-L FAQ file is located at http://www.finalchapter.com/museum-l-faq/ . You may obtain detailed information about the listserv commands by sending a one line e-mail message to [log in to unmask] . The body of the message should read "help" (without the quotes). If you decide to leave Museum-L, please send a one line e-mail message to [log in to unmask] . The body of the message should read "Signoff Museum-L" (without the quotes).