A screen that introduces as little colour shifting as possible is ideal. With a gain of 1.1, the viewing angle can be close to 180 degrees, since it reflects everything more or less equally in all directions.
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EFR-ALRH Electric Floor Up Screen Obsidian Long Throw ALR Ambient Light Rejecting for Standard/Long
Aliexpress UK
【160° Viewing Angle & Double Sided Projection 】With a wide viewing angle up to 160° and 120" /100" large size, both front and back with excellent video display, you can sit or lie anywhere you want, more freedom to watch movies.
eBay
Motorized Screen. Type: Pull Down Manual Projector Screen. -60": Projector area: 116x 87cm. -72": Projector area: 140x 105cm. -84": Projector area: 165x 124cm. -92": Projector area: 181x 136cm. -100": Projector area: 197x 147cm.
eBay
Motorized Screen. Type: Pull Down Manual Projector Screen. -60": Projector area: 116x 87cm. -72": Projector area: 140x 105cm. -84": Projector area: 165x 124cm. -92": Projector area: 181x 136cm. -100": Projector area: 197x 147cm.
eBay
It is designed to be wall mountable, ensuring a sleek and professional installation. The screen is compatible with both 4:3 and 16:9 aspect ratios, catering to a range of projector models and screen sizes.
eBay
It's also an ideal choice for school lessons, office presentations, public displays, camping and so on. What's more, it supports front and rear projection. 【160° Viewing Angle & Double Sided Projection 】With a wide viewing angle up to 160° and 120" /100" large size, both front and back with excellent video display, you can sit or lie anywhere you want, more freedom to watch movies.
eBay
Motorized screen Projection Area Manual screen Projection Area Projection ratio: 4:3. These Projector Screens are made with a super white matte screen. Projection ratio: 16:9. Size: 60" / 72" / 84" / 92" / 100" / 120".
eBay
Enjoy front or rear projection and set up in minutes with the included pump and storage bag. Creates a real cinema experience in your own backyard. Works with any projector and speaker setup. Weather-resistant materials for outdoor use.
eBay