Projection screen NEVE   Characteristics Rating Front Projection ●●●○○ Rear Projection ●●●●● Neutrality of Colour Reproduction ●●●●● Brilliance of Colours ●●●●○ Contrasts ●●○○○ Brightness ●●●●● Freedom from Hotspot ●●●●● angel of view ●●●●● Soft edge suitability ●●●●● Use with Ambient Light ●●○○○   Special Features: perfect for use on front of LED Panels as Diffusion Screen from 10-15cm distance. Projection Screen DARK PEARL   Characteristics Rating Front Projection ●●○○○ Rear Projection ●●●●● Neutrality of Colour Reproduction ●●●●● Brilliance of Colours ●●●●○ Contrasts ●●●●● Brightness ●●●○○ Freedom from Hotspot ●●●●● angel of view ●●●●● Soft edge suitability ●●●●● Use with Ambient Light ●●●●●   Special Features: requires a strong projector; is free from hotspot, can be used as "lare scale monitor" in TV show.