Bright Shadow Technology Ltd.

Round SGND Graduated Neutral Density Filter 77mm

Product Details:
Place of Origin: Guangdong, China
Brand Name: OEM/ODM
Certification: ROHS
Model Number: GND filter
Payment & Shipping Terms:
Minimum Order Quantity: 100
Price: $6.22 - $20.18 / Piece
Packaging Details: Plastic box/iron box+carton/other
Delivery Time: 15-30 Working day
Payment Terms: T/T
Supply Ability: 10000 Pieces /Month
  • Detail Information
  • Product Description

Detail Information

Name: Round SGND Filter Size: Φ37~Φ150mm/Others
Filter Resolution: HD Resolution Frame Interface: Thread/Magnetic
Printing Method: Laser Engraving/Screen Printing Lens Filter Size: 37mm 39mm 40.5mm 43mm 46mm 49mm 52mm 55mm 58mm 62 67mm 72mm 77mm 82mm 86mm 95mm 105mm 150mm Others
High Light:

Graduated Neutral Density Filter 77mm


SGND Graduated Neutral Density Filter


0.55mm HD SGND Filter

Product Description


Round SGND Filter Graduated Neutral Density Filter



BST Round SGND Product Features:

1. The ratio of ND area + transition area + clear area is ideal, and the gradual transition is even and natural,

2. Double-sided GND Coating, good consistency of mass-produced products, close to 0 color deviation,

3. ND value stop is accurate.

Product Specification:



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-reflecti on coating),
     Double-sided AF(Waterproof, oil proof and scratch proof Coating)
Frame Material      Aluminum /Copper
Frame Interface      Thread /Magnetic
Frame Thickness


     (Thickness can be customize)

ND Specifications      Regular products are ND2/4/8/16/32/64,Can also customize any ND value
Frame Surface Treatment

     The aluminum frame is anodized,

     The copper frame is blackening treatment,

     The conventional treatment is matte black, and various colors can also be         customized.

Printing Method
     Laser engraving /screen printing
Printing Position      Frame front /side /ring and other designated positions
Common Product Size      Φ37/Φ39/Φ40.5/Φ43/Φ46/Φ49/Φ52/Φ55/Φ58/Φ62Φ67/Φ72/Φ77/Φ82/Φ86/ Φ95/Φ105/Φ150mm/Others
Can Be Customized       Yes



ND Filter Ratings:



F-stop Reductio 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:

Round SGND Graduated Neutral Density Filter 77mm 0Round SGND Graduated Neutral Density Filter 77mm 1Round SGND Graduated Neutral Density Filter 77mm 2Round SGND Graduated Neutral Density Filter 77mm 3Round SGND Graduated Neutral Density Filter 77mm 4Round SGND Graduated Neutral Density Filter 77mm 5Round SGND Graduated Neutral Density Filter 77mm 6

Product Packaging:

We can design and produce packaging accessories solutions according to customer requirements,
including carton, product box, cleaning cloth, instruction manual, various stickers, etc.

Round SGND Graduated Neutral Density Filter 77mm 7

Products delivery and logistics:

1.We will deliver the products in strict accordance with the delivery time agreed by both parties,

2.We can send goods to forwarder warehouse designated by our customers,

3.Delivery through ups and other forwarders(Delivery through ups and other forwarders).

Round SGND Graduated Neutral Density Filter 77mm 8

About US:

Bright Shadow Technology Co.Ltd (abbreviation: BST) is located at the East River High Technology Industrial Park,
Huizhou city, Guangdong province in China. BST is strategically located near the expressway and adjacent to Shen
-zhen (Hong Kong), Dongguan and Guangzhou. Factory shipments and export logistics are very convenient, and we
also have the advantage of employment.

Main business:

1. Interchangeable lens camera filter system (including round filter, square filter, holder and cinema filter system),

2. Drone / motion camera / handheld camera external lens and filter system of the devicem,

3.Glass of Sunglasses lens

BST has formed a complete industrial chain system from research and development, manufacturing to sales. It has an
optical product R&D center and a manufacturing plant with a thousand-level clean room. It can undertake ODM and
OEM business of various optical products. The company has a highly specialized R&D, technology and quality
management team. The core members have more than 15 years of working experience in optical products.

The main advantages of BST:

1. Through sufficient research on the target market, the R&D team can provide at least 5 new products independently
developed by BST to customers with long-term cooperation every year, helping customers to win a larger market share;

2. Rapid response to customer needs. Transforming customer ideas into products as quickly as possible and optimizing
and improving them;

3. Fully guarantee the mass production quality of the products, and the consistency of the mass production products is
very good;

4. High efficiency delivery;

5. More reasonable control costs, to provide customers with greater market value.

BST's products and services have been tested by customers and the market for a long time. The customer's satisfaction
makes the whole team more confident to meet every new challenge. We also cherish the opportunity to cooperate with
you: Win-win is our common goal and pursuit.

Round SGND Graduated Neutral Density Filter 77mm 9

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