modifier http://www.adorama.com/alc/taginfo/modifier Article: Put a sock on it.A simple, clever light modifier <p><span style="font-size: small;">If you&rsquo;re using a professional studio flash the obvious choice for soft lighting is an umbrella and for most purposes that&rsquo;s still the best choice.</span></p> http://www.adorama.com/alc/article/11504