Most Iray HDRI environments set don't allow depth of field use easily and DIRECTLY out of the box.

This one does!

You won't have to tweak anything, all the presets are there for you to just click and render.

What you'll get is 6 ULTRA HD (up to 16K) custom made Environments, with or without Depth of Field presets.

The theme of this set is "Winter Beaches": deserted area where sand, rocks and ocean meet, wrapped in a distinctive winter sun light. 
This set offers 6 different environments, at a different moment of the day and different light orientation.

Each environment is provided in 4 different resolutions, based on your needs and computer capabilities:

Each resolution is provided with or without Depth of field capability, which gives you a total of 48 different possibilities You can also used the DOF enabled environment and NOT activate the DOF of the camera for a 3rd and different effect so the number of possibilities increases to 72 different possibilities.

You will also get:

• 12 Dome rotation presets to change the background or the sun position based on your camera point of view
• 1 DOF enabled Camera preset, built especially for Full-length portraits
• 2 Bloom ON/OFF presets
• 8 Brightness presets
• 5 Shadow presets
• 6 Vignetting presets

This just gives infinite possibilities!

Basically, based on your need, you click on the wanted resolution, you click on the wanted depth of field option, you click on the wanted Dome rotation preset, and you're good to render.

Take advantage of the HDR environment SPEED (versus full 3d environment which is way slower to render) with optimized Depth of field!