The Range: Three Families, a Surface for Every Scenario
Choosing a surface is choosing two things: where you sit between deepest black and highest brightness, and whether sound must pass through the screen or an image must float.
Every Surface Is a Number
The higher the number, the deeper the black, the more ambient light the surface absorbs, and the more projector power it asks for. The lower the number, the more image brightness it returns. 0.8 is the deepest surface we build today; 0.4 is the brightest. (1.0 would be theoretical true black: a surface that returns nothing, the image included.)
The Three Families
| Family | Grades | What it does |
|---|---|---|
| 100% Opaque (OP) | OP 0.8 · OP 0.7 · OP 0.6 · OP 0.5 · OP 0.4 | Passes no light in either direction. Stretches to shape: curves, cycloramas, domes. Front projection. |
| Acoustically Transparent (AT) | AT 0.8 · AT 0.7 · AT 0.6 · AT 0.5 · AT 0.4 | Lets sound pass through with no perforations, so loudspeakers sit behind the picture. Holds a precise flat plane. Front or rear projection. |
| Transparent Scrim (TS) | TS 0.8 · TS 0.6 · TS 0.5 | A partly transparent surface for floating images, reveals, and apparitions. Its grade describes transparency, not absorption. Front or rear projection. |
Tear Sheets: The Full Specifications
Each family has a one-page tear sheet: every standing grade with its measured figures, construction, and placement guidance, formatted for print and PDF. The tear sheets are part of the full site and use its dark layout.
- 100% Opaque (OP) tear sheet
- Acoustically Transparent (AT) tear sheet
- Transparent Scrim (TS) tear sheet

Images That Float in Mid-Air
Transparent Scrim makes a picture appear to hang in space, then vanish on a lighting cue. For the cleanest result, rear projection with an ultra-short-throw lens keeps the beam out of the audience\u2019s eyes.

Between Two Grades? Name a Cluster.
These are the grades we keep standing, but the curve is continuous. Ask for a value between two stops, or past our deepest, and you have named a Cluster: a surface forged to order for your scenario (for example, OP\u00b773*). A dedicated run, a longer road, and a higher cost.
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