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Brass 2000

A robust system for measurement, inspection, and analysis of surfaces in the contact lens industry. It inspects the entire optical quality in one shot without contacting the surface, assists in lathe setup, and detects cutting errors.

System for Contact Lenses

Fully Compatible with

Brass 2000

A robust system for measurement, inspection, and analysis of surfaces in the contact lens industry. It inspects the entire optical quality in one shot without contacting the surface, assists in lathe setup, and detects cutting errors.

System for Contact Lenses

Fully Compatible with

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Performance

6 SEC

Measurement time

±2.9 μm

Accuracy

±1 µm

Repeatabillity

Production Stage

Brass 2000

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Brass 2000

Sample types

Male and female plastic molds
Metal tools/ Inserts
Lathe-cut front & base curves buttons
Glass molding
Symmetric & asymmetric designs

Measurement capabilities

Radius of Curvature
Radios of curvature (ROC)
Cylinder
Cylinder
Axis
Axis
Sagittal height (SAG)
Sagittal height (SAG)
tool offset
Tool offset
Surface Quality
Surface Quality
Aapheric
Aspheric

Brass 2000

Specification

Working Principle
Moiré Deflectometry
Can work  with Focal Points
Yes
Production Stage
Lathe calibration, Front and back curve processing
Type of samples
Male and female plastic molds, Lathe-cut front & base curves Metal tools/ Inserts,Glass molding,Symmetric & Asymmetric designs
Condition
Can measure in a production environment
Toric detection
Automatically finds axis of toric lens, no need to align according to axis
Measurement capabilities
Radios of curvature (ROC), Cylinder, Axis, Sagittal height (SAG) tool offset, Surface Quality, Aspheric
Measurement speed spheric
6 seconds
Measurement speed Toric
20 seconds
Sample Diameter 
up to 30 mm
Radius of curvature range 
BC 2-12.6 mm, FC 2-10 mm
Cylinder range
900 µm [can be increased]
Power supply
100-240VAC/50Hz-60Hz.
Operation temperature
-5 to +45 C°
External dimensions (L x W x H)
510x250x350mm
Weight
32 kg

Gallery

View all System Images
Brass 2000 spheric tool offset (very small)
Brass 2000 spheric defect surface
_Brass2000 aspheric main screen
this again
this again
Tool Offset
Brass 2000 aspheric histogram (no-fringe)
Brass 2000 toric full screen
brass2000 Scratch
brass2000 Scratch and lathe mark
Brass 2000 toric radial profile (no-fringes)
Brass 2000 toric histogram (no-fringes)
brass2000 Lathe mark and edge chip
brass2000 defect surface4 fringes
Brass 2000 toric fringes
brass2000 defect surface3 fringes
Brass 2000 toric average map (no-fringes)
brass2000 defect surface2 fringes
Brass 2000 spheric average map (no-fringe)
Brass 2000 spheric tool offset
Brass 2000 spheric radial profile (no-fringe)
Brass 2000 aspheric radial profile (no-fringe)

Gallery

defect surface fringes
defect surface fringes
brass2000 defect surface4 fringes
defect surface fringes
brass2000 defect surface2 fringes
defect surface fringes
defect surface fringes
defect surface fringes
Tool Offset
Tool Offset
brass2000 Scratch
Scratch
brass2000 Scratch and lathe mark
Scratch and lathe mark
Brass 2000 spheric defect surface
Spheric defect surface
Brass 2000 spheric tool offset (very small)
spheric tool offset
Brass 2000 spheric radial profile (no-fringe)
Spheric radial profile
Brass 2000 spheric tool offset
Spheric tool offset
Brass 2000 spheric average map (no-fringe)
Spheric average map
Brass 2000 toric average map (no-fringes)
Toric average map
Brass 2000 toric fringes
Toric fringes
Brass 2000 toric histogram (no-fringes)
Toric histogram
Brass 2000 toric radial profile (no-fringes)
Toric radial profile
Brass 2000 toric full screen
Toric full screen
Brass 2000 aspheric histogram (no-fringe)
Aspheric histogram
_Brass2000 aspheric main screen
Aspheric main screen
Brass 2000 aspheric average map (no-fringe)
Aspheric average map
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Brass 2000 aspheric radial profile (no-fringe)
Aspheric radial profile
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Unique benefits of the Brass 2000
Objective and simple fast measurement.
Accurate up to 2.9 µm and precise to less than 0.9 µm.
Easy and fast lathe setup and molding defects.
Inspect the surface optical quality in addition to the ROC accuracy.

An answer to your question

More questions?

Contact
BRASS 2000 is designed to inspect lens buttons, male and female molds, and semi-finished inserts with high precision. It’s used in early production stages to validate part geometry, curvature, and symmetry before hydration or polishing.
By identifying deviations in curvature, alignment, and tool wear at an early stage, BRASS 2000 significantly shortens setup time and prevents defective runs saving materials and labor downstream.
Both systems use the same core inspection technology. BRASS 3K offers enhanced durability a more user-friendly software interface, and greater long-term measurement stability. It’s ideal for demanding production environments requiring extended uptime and tighter QA control.
Yes. The system is designed to inspect both male and female mold components, analyzing curvature accuracy, surface integrity, and dimensional consistency essential for mold matching and reproducibility.
The AMI (Automatic Mold Inspection) system is a fully automated BRASS platform variant. It includes robotic handling for mold inspection, enabling continuous, high-throughput QA with minimal operator involvement.
Its objective, standardized measurements allow consistent QA criteria across production lines and facilities, improving inter-site reproducibility and global compliance.
BRASS 2000 is intended for pre-hydration stages. It’s not suitable for final lens inspection post-hydration that the role of systems like contest 2 or contest MP .

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