Light & Motion's Titan Housing
Posted By Rod Klein on 21 November 2002
Basically the ROC system allows you to control the power output of each strobe in 12 ˝ stop increments. The control is done on either the left or right housing handle, from which you can control either left or right strobe. How would you use this feature? Remember that we're shooting digital and can see our image as soon as we press the shutter. If our strobe exposure is too light or too dark, it's a simple matter to press the + or -- on one of the handles to increase or reduce the strobe output. There is no need to adjust the aperture or shutter.
( Diagram 3 ) This has given me amazing control in every type of lighting situation. The ROC system works with Nikonos, Ikelite, and Sea and Sea Strobes. For a full list visit the Light & Motion website www.uwimaging.com
The Titan handles provide another level of convenience. Notice that the Titan has a "lever" on the front of the housing, (Diagram 1) which controls the main shutter release. This lever gives very fine control over the shutter releases and also functions as a way to autofocus the camera. You slightly press the "shutter lever" to get your autofocus light-activated, and then fully press the shutter release to take the picture. However, the Titan offers a lot more flexibility. You can press the AF Lock button on Either handle, which will lock in your autofocus, and THEN press the shutter release. This prevents you from accidentally pressing the shutter too hard and taking the picture before it is totally in focus.
The handles also have a "shutter release button" which allows you an alternate way to take the picture, instead of using the standard shutter release lever. All of these options give me fantastic control when working underwater.
Whew......if all of this wasn't enough, there's one more important feature that I have to mention. Light & Motion optics. The Titan has a flat port built into the housing, which allows full use of the zoom lens on the E20. I've gotten some incredible shots with the basic flat port, but like the Tetra series, Light & Motion offers their "WetMate" lens system for the Titan. The Wetmate system allows you to Change Lenses Underwater!!!
I have the 80 degree Wide Angle lens and the Macro Lens with me at all times. I just carry a little underwater bag clipped to my BC, and when I need a wide angle or Marco lens I just take it out and place over the flat port using its convenient bayonet mount.
I just love this feature. No deciding which lens to take or being without the right lens at the wrong time. Notice the wide angle below...the area around the lens is a rubberized foam material, rather than metal. This creates a lens that is perfectly balanced underwater and does not have a tendency to "dip" forward as other lenses of the same size may do.
Titan 80 Degree Wide Angle Lens
Titan Macro Lens
If you want to get the best available digital camera and housing combination, the Light & Motion Titan is the way to go.
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