Articles

Lionfish City

by Scuba Stu

As an OWSI you have courses where you have entire classes of struggler's where your students struggle with even the most basic skills (no, that's your snorkel not your reg...), and courses of fish (well, we seem to have finished a little early today...)

Working with HMI lights

by Scuba Diver Australasia

HMI technology is not new. It evolved in the late 1960s when lamp developer Osram began producing HMI bulbs for the film industry at the request of German television seeking a less expensive alternative to incandescent lights. Ironically, HMI is now much more expensive than halogen and tungsten.

Seaslugs - Part II. Sidegill slugs and Sap-sucking slugs

by Ákos Lumnitzer

In this article I will introduce you to the next two in hierarchical sequence. Seaslugs are indeed fascinating creatures and are a favorite for many photographers. They do not move about very quickly at all, which is a characteristic that makes them easy subjects to shoot. Often it is not the case of 'the one that got away', but the case of 'Oh no! I have run out of film again!'.