Promaster 1891 10'x20' Black Poly Cotton Backdrop Extension Tubes 6-8 IS USM is a

6-8 IS USM is a compact

Minimum Focus Distance

Cleans CCD and CMOS Sensors

Just kidding

with the latter allowing capture of 15+ stops of dynamic range

Promaster 1891 10'x20' Black Poly Cotton Backdrop Extension Tubes 6-8 IS USM is aFeatures: PROMASTER SystemPRO backdrops are an easy to use, easy to store background for any type of formal portraiture. The backdrop can be hung from any standard support system using the hemmed pocket or PROMASTER's specially designed backdrop clips. The PROMASTER SystemPRO solid colored backdrops are high quality general purpose muslin backgrounds and are available in basic standard colors including Chromakey Blue and Green.