Discussion
Magnificent chromodoris, living up to its name.
This one of my my first "close-focus-wide-angle" attempts with a new lens. The technique has potential, but you need enough space to get the housing dome almost touching the subject. Here the distance to the focal plane is 14cm, which I'd guestimate is 1-2 cm from the surface of the dome.
Sogod Bay, #Philippines
#scuba #WeLoveSlugs #CFWA
For the photo nerds, it's actually zoomed to 18mm on a 50% crop sensor (m43), so not really that wide angle.
Cushion star, Sogod Bay, #Philippines
Another closish-focus wide-ish-angle attempt.
By underwater standards this isn't super close; 22cm to the focal plane, probably about 10cm to the dome. Much farther than than that and you start to see more backscatter from particulate in the water, and also problems illuminating the scene with small strobes like I have.
The lens is at 12mm on mu43, which is wider than above, and the level of detail in background is higher. The subject itself is probably familiar to most people that grew up near an ocean, temperate or tropical.
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