**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.
