HDRI是High-Dynamic Range image（高动态范围图片）的缩写，HDRI是一种亮度范围非常广的图像，它比其它格式的图像有着更大亮度的数据贮存，而且记录亮度的方式与传统的图片不同，很多HDRI文件是以全景图的形式提供的，也可以用它做环境背景来产生反射与折射。

HDRI v2一共有10个天空HDRI贴图预设，分辨率为24K，24000*12000，包含PDF目录预览

Viz-People HDRI v2 gives you 10 ultra high resolution hdri 360 spherical enviremental maps.

Viz-People are royalty free photos, our libraries can be used as part of commercial pictures & designs at no extra charge.

This collection comes in extraordinary 24K resolution.

You wil find also 12K and 6K versions as well as tonemaped background bitmaps.