PrimeCircle Black X-Mist by LockCircle is a black diffusion filter in 4 × 4″ format, ground from German Ultra-White optical glass. It gives digital images a more organic, less clinical character.
Fits matte boxes and 4 × 4″ filter holders. Each filter’s planparallelism, density and transmission are checked by the manufacturer with laser interferometry, a densitometer and a spectrophotometer.
Ideal for
Why PrimeCircle Black X-Mist 4 × 4″
- Organic look – Softens digital sharpness and highlights.
- High-quality glass – Ultra-White glass suitable for high-resolution lenses.
- Controlled production – Each filter is measured with an interferometer and a spectrophotometer.
- 4 × 4″ format – Fits compact matte boxes.
Key specs
| Type | Diffusion (Black X-Mist) |
|---|---|
| Size | 4 × 4″ |
| Material | German Ultra-White optical glass |
Production and inspection
| Manufacturer | LockCircle (PrimeCircle series) |
|---|---|
| Quality control | interferometer, densitometer, spectrophotometer |
