Simmons Beautyrest Silver BRS900-C Medium Twin 15" Mattress - 700810110-1010 2138 Specialized electromagnetic aperture mechanism provides

Specialized electromagnetic aperture mechanism provides greater exposure control stability that is especially beneficial when working with fast continuous shooting rates

including portraits with context

The coating helps to prevent water

Focus Adjustment - Inner-focusing with USM

Simmons Beautyrest Silver BRS900-C Medium Twin 15" Mattress - 700810110-1010 2138 Specialized electromagnetic aperture mechanism providesIncreased Durability Beautyrest Silver is engineered to maintain its shape and consistent comfort over the life of your mattress; so that your sleep will be every bit as restful years from now as it is today. Beautyrest Silver Mattress Collection A better you begins with a better night's sleep. The lasting resilience of Beautyrest Silver ensures you'll Be More Awake every day for years to come. World's Premier Support System 900 Series Beautyrest