A classic redesigned.

How old is your Canon lens? With either the lens’ serial number or date code, that question can be answered. While date codes and the shorter serial number are still found on some lenses, this inclusion will likely end completely. We loved the date code because it made aging a lens easy. However, now we can age a lens based on the serial number alone. For information on determining the age of a predigit serial number lens, see the section on interpreting the old date code below.

CrossRef citations to date. 6 Methods Employed for Control of Fouling in MF and UF Membranes: A We use cookies to improve your website experience.

Our education programs are directed at broad national and state concerns, as well as issues specific to Seminole County, with locally determined and citizen influenced priorities. Visitors may drop off items at the office and they will receive a follow up call or email. Visitors are requested to wear a face covering when entering the building and observe social distancing practices.

Extension Agents can be contacted via email. All volunteer programs, meetings and activities are currently postponed until further notice. Available virtual classes and workshops can be found HERE. A youth education program which provides children and young adults ages the opportunity to learn life skills needed to become productive and self-reliant members of society, good citizens and leaders of tomorrow.