Bright Shadow Technology Ltd.
                                                                                                           
Verified Supplier
11 Years
Since 2015
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49mm 3-Stop ND8 Graduated Neutral Density Filter with HD Resolution and Customizable Options

Price Negotiable
Price: $6.22 - $20.18 / Piece
MOQ: 100
Delivery Time: 15-30 Working day
Brand: OEM/ODM
Product Description
BST Round SGND Filter Features
  • Ideal ratio of ND area, transition area, and clear area with even, natural gradual transition
  • Double-sided GND coating ensures consistent mass production with near-zero color deviation
  • Precise ND value stop accuracy for reliable performance
Technical 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 / Others
Filter Lens Resolution HD Resolution
Coating Double-sided SGND+AR (Anti-reflection coating), Double-sided AF (Waterproof, oil proof and scratch proof Coating)
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 Regular products: ND2/4/8/16/32/64, Custom ND values available
Common Product Sizes Φ37/Φ39/Φ40.5/Φ43/Φ46/Φ49/Φ52/Φ55/Φ58/Φ62/Φ67/Φ72/Φ77/Φ82/Φ86/Φ95/Φ105/Φ150mm / Others
Customization Yes - comprehensive customization options available
ND Filter Ratings Reference
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
Product Quality & Manufacturing
BST Graduated Neutral Density Filter product close-up showing optical quality Graduated ND filter demonstrating smooth transition and coating quality BST filter showing frame construction and laser engraving details Professional photography setup using BST graduated neutral density filters BST filter packaging and accessory display Close-up of BST filter showing anti-reflection coating and optical clarity BST manufacturing facility and quality control process
Custom Packaging Solutions

We design and produce comprehensive packaging accessories including cartons, product boxes, cleaning cloths, instruction manuals, and various stickers according to customer requirements.

BST graduated neutral density filter custom packaging and accessory options
Shipping & Logistics
  • Strict adherence to agreed delivery timelines
  • Delivery to forwarder warehouses designated by customers
  • Shipping through UPS and other international forwarders
BST international shipping and logistics services for optical filters

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

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