Those who are engaged in diving know such an expression as "blue". It's when you swim somewhere in the sea without visible landmarks (reefs, rocks, bottom and so on). Everything that you see around it is different shades of blue. Different saturation and brightness, depending on weather and depth. And here, in our native reservoirs, there is another effect. It's all green here.
And no matter what around in the field of vision can be a lot of everything and all this will be green. A variety of shades, everything you ever could associate with green, can be seen underwater. It seems that even the sunlight itself is green here. It moves from green algae to green fish.
It's extremely difficult to convey how the world of our native reservoirs looks like. Previously, it seemed to me that it was much easier ... It's enough to weather with the weather, to choose a good camera angle, to catch the game of light, plus to process a little. But then it began to seem to me that when I do so, the result is very far from what I see with my own eyes.
The camera does not transmit the transparency of water at all. The picture as a result of this shooting is too glamorous. Too clean, even, beautiful, brushed. Not a wild pond, but some kind of underwater park.
If you look at how things are in fact, then at the bottom in the lake, too often, all sorts of sticks, foliage, old-last year's dry algae and much more. And in places, and at all, everything is mixed - such a windbreak from branches and stems that you can not get through. And about the fact that one nudachny swing of the flippers is enough to all around absorbed the "dust storm".
I tried to shoot as is. But he himself was not ready for such a result - it hurts to love the perfect picture.
And the most amazing thing is that you can see the beauty of freshwater reservoirs almost everywhere. It is enough not to be afraid to climb into the water in a pond that is not good from the surface. Not the fact that the photos will turn out beautiful, but it's definitely worth looking at.
For this reason, for more than 10 years, we have been going every year to dive into the lakes of the central Russian belt. And in all the photos in this post, the underwater world of the Valdai lake. With 
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My equipment: Canon 5Dmk2 + Canon 15mm fish eye + Nexus underwater housing+ 2 Inon 240strobes.
More details about my underwater setup: https://steemit.com/@narchuk/me-and-my-equipment
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[//]:# (!steemitworldmap 57.995698 lat 33.279826 long Deep green d3scr)