BST 72mm Neutral Density Filter ND4 ND8 ND16 with 0.55-1.5mm Optical Glass and Double-sided Coating

Price Negotiable

Price: $5.82 - $15.78 / Piece

MOQ: 100

Delivery Time: 15~30 Working day

Brand: OEM/ODM

Product Description

BST 72mm Neutral Density Filter Overview

Professional-grade neutral density filters designed for precise light control in photography and videography applications. Available in ND4, ND8, and ND16 densities with ultra-thin HD optical glass construction.

Key Features

Ultra-thin HD optical glass construction
Double-sided ND coating with minimal color deviation
Precise ND value stops for accurate exposure control
Available in thread or magnetic frame interfaces
Customizable specifications and sizes available

Technical Specifications

Parameter	Specifications
Glass Material	AGC / Germany SCHOTT / Corning / Custom Brands
Filter Lens Thickness	0.55mm, 0.7mm, 0.8mm, 1.1mm, 1.3mm, 1.5mm (Customizable)
Filter Resolution	High Definition (HD)
Coating	Double-sided ND+AR (Anti-reflection) + AF (Waterproof, Oil Proof, Scratch Proof)
Frame Material	Aluminum / Copper
Frame Interface	Thread / Magnetic
Frame Thickness	3.1mm to 7.0mm (Customizable)
ND Specifications	ND2 to ND1048576 (Full range available, custom densities)
Common Product Sizes	Φ37mm to Φ150mm (72mm standard, custom sizes available)

ND Filter Density Chart

F-stop Reduction	Optical Density	ND Number
0	0.0	0
1	0.3	ND2
2	0.6	ND4
3	0.9	ND8
4	1.2	ND16
5	1.5	ND32
6	1.8	ND64

Product Images

BST 72mm ND filter front view showing professional construction and laser engraving

Close-up view of BST ND filter coating and optical glass quality

Professional packaging and accessories included with BST neutral density filters

BST filter manufacturing process showing quality control and precision engineering

Various BST filter sizes from 37mm to 150mm diameter comparison

BST filter application in professional photography and videography settings

Customization & Manufacturing

All BST neutral density filters support comprehensive customizationCustomizable

Custom glass thickness from 0.55mm to 1.5mm
Frame thickness customization (3.1mm to 7.0mm)
Special ND densities beyond standard range
Custom frame colors and surface treatments
Laser engraving or screen printing options
Custom packaging solutions including boxes, cleaning cloths, and manuals

Quality Assurance

Manufactured in thousand-level clean room facilities with over 15 years of optical product expertise. BST maintains strict quality control for consistent mass production with minimal color deviation and precise ND values.