One half of the Hoya Half NDx4 filter is clear while the other is a 4x Neutral Density (2 stops) with a soft boundary between the two.
| Type | Half Neutral Density (ND) x 4 |
| Tamanho | 52 mm |
| Graduação | Não aplicável |
| Filter Factor | +2 stops |
| Multirrevestido | Não |
| Giratório | Sim |
| Effect | Allows bright skies to be easily controlled for dramatic effect; Used to control bright/dark contrast, by reducing half the shot by 2 stops |
| Application | Useful in landscape photography |
| Temperatura de Cor | Não aplicável |
| Construção | Vidro |
| Tamanho da Rosca do Filtro Frontal | 52 mm |
| Tamanho da Tampa da Lente Frontal | 52 mm |
| Warranty | One-Year |