**Specifications:**

**Brand:** Haida

**Product Name:** PROII Thin Coating ND Filter

**Features:**

- Cloud-like water and fog effects

- Long exposure capabilities

- PROII level thin coating ND filter

- Masterpiece quality with noticeable difference

- Dual-coated optical glass

- Waterproof and anti-fouling

- Aluminum alloy frame

- Available in various sizes

- Professional-grade equipment

- National warranty

**Filter Options:**

- NanoPro Coating Series

- PROII Coating Series

- Non-coated Series

**ND Categories:**

- 0.3, 0.6, 0.9, 1.2, 1.5, 1.8, 2.1, 2.4, 2.7, 3.0, 3.6, 4.5

**ND Values:**

- 2x, 4x, 8x, 16x, 32x, 64x, 128x, 256x, 400x, 1000x, 4000x, 32000x

**International Standards:**

- 50.0, 25.0, 12.5, 6.25, 3.125, 1.562, 0.781, 0.390, 0.195, 0.097, 0.024, 0.0031

**Light Transmission (%):**

- Without filter, with ND1.8, with ND3.0: 79%

**Frame Thickness:** 3.1mm thin frame without vignetting

**Coating:** Anti-reflective coating

**Additional Features:**

- Matte black anodized aluminum frame

- Water, fingerprint, and oil-resistant

- Corrosion-resistant

- Long-lasting usage

**Packaging:**

- Exquisite outer packaging suitable for gifting

- Convenient inner packaging for storage

**Optical Glass:** High-definition image quality, color-balanced

**Filter Tips:**

- Guide on selecting appropriate ND levels

- Usage scenarios for different ND values

**ND Value Parameters Table:**

- Detailed table for exposure times with different ND levels

**Shutter Speed Calculation:**

- Formula for calculating shutter speed with ND filters

**Note:** These ND filters have fixed values and cannot be adjusted.

**Example:**

**Brand:** Haida

**Product:** Slim PROII CPL+, Slim PROII ND ND 3.0

**Photographers:** Ganesh Bagal from India, Mauricio Narea from Chile, Petri Punrunen from Finland

**Compatibility:**

Suitable for lenses with filter thread sizes ranging from 37mm to 82mm

Specifically designed for wide-angle lenses

**Usage Scenarios:**

Ideal for capturing landscapes and dynamic scenes

Enhances creativity and visual effects in photography

**Warranty:** Nationwide warranty coverage for long-term satisfaction.