Double Sided SGND32 Circular Graduated ND Filter with 1.5 Optical Density and 5 F-Stop Reduction
Price:
$6.22 - $20.18 / Piece
MOQ:
100
Delivery Time:
15-30 Working day
Brand:
OEM/ODM
Product Description
Double Sided SGND32 Circular Graduated Neutral Density Filter
OEM/ODM Accepted Circular Graduated Neutral Density Filters with advanced optical performance
BST Round SGND Product Features
- Optimal ratio of ND area, transition area, and clear area with even, natural gradual transition
- Double-sided GND coating ensures excellent consistency in mass production with near-zero color deviation
- Precise ND value stop accuracy for reliable performance
Product Specifications
| 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 |
| Filter Lens Resolution | HD Resolution |
| Coating | Double-sided SGND+AR (Anti-reflection coating), 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 | ND2/4/8/16/32/64 standard, custom ND values available |
| Frame Surface Treatment | Aluminum: anodized; Copper: blackening treatment; Standard matte black, custom colors available |
| Printing Method | Laser engraving / screen printing |
| Printing Position | Frame front / side / ring and other designated positions |
| Common Product Sizes | Φ37mm to Φ150mm range with custom sizes available |
| Customization | Yes |
ND Filter Technical Ratings
| F-stop Reduction | Optical Density | ND Number |
|---|---|---|
| 1 | 0.3 | ND 2 |
| 2 | 0.6 | ND 4 |
| 3 | 0.9 | ND 8 |
| 4 | 1.2 | ND 16 |
| 5 | 1.5 | ND 32 |
| 6 | 1.8 | ND 64 |
| 7 | 2.1 | ND 128 |
| 8 | 2.4 | ND 256 |
| 9 | 2.7 | ND 512 |
| 10 | 3.0 | ND 1024 |
| 11 | 3.3 | ND 2048 |
| 12 | 3.6 | ND 4096 |
| 13 | 3.9 | ND 8192 |
| 14 | 4.2 | ND 16384 |
| 15 | 4.5 | ND 32768 |
| 16 | 4.8 | ND 65536 |
| 17 | 5.1 | ND 131072 |
| 18 | 5.4 | ND 262144 |
| 19 | 5.7 | ND 524288 |
| 20 | 6.0 | ND 1048576 |
Product Quality & Manufacturing
BST maintains a thousand-level clean room manufacturing facility with comprehensive quality control systems ensuring consistent optical performance across all production batches.
Custom Packaging Solutions
We provide comprehensive packaging design and production services including custom cartons, product boxes, cleaning cloths, instruction manuals, and various stickers tailored to customer requirements.
Logistics & Delivery
- Strict adherence to agreed delivery timelines
- Shipping to customer-designated forwarder warehouses
- Global delivery through UPS and other international forwarders
About Bright Shadow Technology
Located in Huizhou City, Guangdong Province, BST specializes in optical product development and manufacturing with over 15 years of industry expertise. Our capabilities include interchangeable lens camera filter systems, drone/motion camera external lenses, and sunglass lenses with complete ODM/OEM services.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Bright Shadow Technology Ltd.
Location
NO.2 Dongxin Road,Dongjiang Hi-Tech Park,Huizhou(516255),Guangdong,China
Contact Person
Hathaway Peng