Hard Edge 0.7mm 62mm Graduated Neutral Density Filter with Double-sided HGND Coating and HD Resolution
Professional round hard edge graduated ND filter with precise optical performance for photography and cinematography applications.
- Ideal ratio of ND area, transition area, and clear area for natural gradient transitions
- Double-sided HGND coating ensures minimal color deviation and consistent performance
- Accurate ND value stops for precise exposure control
| Parameter | Specifications |
|---|---|
| Glass Material | AGC / Germany SCHOTT / Corning / other designated brands |
| Filter Lens Thickness | 0.55mm / 0.7mm / 0.8mm / 1.1mm / 1.3mm / 1.5mm / Custom options |
| Filter Lens Resolution | HD Resolution |
| Coating | Double-sided HGND+AR (Anti-reflection), Double-sided AF (Waterproof, oil proof, scratch proof) |
| Frame Material | Aluminum / Copper |
| Frame Interface | Thread / Magnetic |
| Frame Thickness | 4.5mm / 4.75mm / 5.5mm / 5.9mm / 7.0mm / 7.5mm (Customizable) |
| ND Specifications | Standard: ND2/4/8/16/32/64, Custom ND values available |
| Frame Surface Treatment | Anodized aluminum, blackened copper, matte black standard, color customization |
| Printing Method | Laser engraving / screen printing |
| Common Product Sizes | Φ37mm to Φ150mm diameter range with custom sizing options |
Manufactured in thousand-level clean room facilities with strict quality control processes ensuring consistent optical performance across all production batches.
Custom packaging solutions available including cartons, product boxes, cleaning cloths, instruction manuals, and various stickers designed to meet specific customer requirements.
- Strict adherence to agreed delivery timelines
- Shipping to customer-designated forwarder warehouses
- Delivery through UPS and other international forwarders
BST operates from East River High Technology Industrial Park in Huizhou, Guangdong, with strategic proximity to major logistics hubs. The company specializes in optical product development and manufacturing with over 15 years of industry experience.
Core Business Areas:
- Interchangeable lens camera filter systems (round, square, cinema)
- Drone, motion camera, and handheld camera external lens systems
- Sunglasses lens glass manufacturing
Company Advantages:
- Annual development of 5+ new proprietary products
- Rapid response to customer requirements and customization
- Consistent mass production quality control
- Efficient delivery and cost-effective manufacturing
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.