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Warren_L:But for strictly underwater I use 3 lenses - 12-24mm wide zoom, 60mm macro and 105mm macro.
You said you wanted a topside lens. They don't make ports for the 18-200mm lens.aboalreem:Can I use it UW?
Mariozi:Again parabolic, we have similar views... separated at birth?
aboalreem:What is the main difference in taking pictures UW between 12-24mm and 10.5mm?
what is better to invest in?