Photographer Brenda Grimm will give a presentation on post processing on the iPhone. This class is for photo enthusiasts of all levels. After the presentation, member photos will be critiqued. This is a great opportunity to get feedback on your photos. Check the website for more information and how to submit photos. http://www.napavalleyphotographicsociety.org. Napa Valley Photographic Society (NVPS) promotes the art and science of photography, providing education, image appreciation, inspiration, exchange of technologies. Most months we invite guest speakers to evaluate our images.