NiSi Rotating Standard C-PL is a circular polarizer built into a rectangular 4 × 5.65″ frame, rotated by a 0.8 gear. It has double-sided water-repellent coating and moisture-sealed edges.
Slots into a standard matte box slot; polarization is adjusted with a finger via the gear. Useful for reducing reflections on water, glass and car paint.
Ideal for
Why NiSi Rotating Standard C-PL 4 × 5.65″
- Integrated rotation – Does not need a rotating matte box slot.
- Gear 0.8 – Fine-tuning of polarization.
- Sealed edges – Protects against moisture.
- Water-repellent coating – Easier cleaning outdoors.
Key specs
| Type | Polarizer – rotating (circular) |
|---|---|
| Size | 4 × 5,65″ |
Features
| Control | gear 0.8, turned by finger |
|---|---|
| Coating | double-sided water-repellent |
| Edges | moisture-sealed |
| Mount | standard 4 × 5.65″ matte box slot |






