Luckily, however, I was in the company of some serious photographers - the kind that still carry single-lens-reflexes they have to focus themselves.
Portable flash units are an important accessory for serious photographers.
Many serious underwater photographers consider any more than about 3 ft/1 m of water between camera and subject to be unacceptable.
A serious photographer cannot afford to work in any tropical paradise without shooting from the air.
Tom Pratt's developed system offers the ultimate approach for the really serious aerial photographer.
When serious photographers run into these problems, the solution is often an external flashgun to put more light on the subject.
Sorry folks, but just about every serious photographer in the entire world - professional or amateur - does this.
In the early days of the 20th century he used photographic plates, like all other serious photographers.
Still, for serious photographers, it's a dream come true.
That figure, 12MP, is a pretty good limit for a majority of serious photographers.