Eyepieces, Lenses

Part Number	Description / PDF	Quantity
35-00-06-000 Excelitas Technologies	LOWER LENS,1.25X 160FL	6
35-00-10-000 Excelitas Technologies	LOWER LENS,0.5X 400FL	1
28-21-05-001 Excelitas Technologies	OPTEM 5X M PLAN APO OBJECTIVE	2
28-21-50-001 Excelitas Technologies	OPTEM 50X M PLAN APO OBJECTIVE	2
35-00-09-000 Excelitas Technologies	LOWER LENS,0.67X 300FL	1
35-00-08-000 Excelitas Technologies	LOWER LENS,1X 200FL	2
35-00-05-000 Excelitas Technologies	LOWER LENS,1.43X 140FL	4
42-35-41-000 Excelitas Technologies	INFINITY MACRO LENS	3
29-20-38-000 Excelitas Technologies	AUX. LENS 0.5X	4
28-21-11-001 Excelitas Technologies	OPTEM 20X M PLAN APO OBJECTIVE	6
35-00-04-000 Excelitas Technologies	LOWER LENS,1.67X 120FL	1
35-00-03-000 Excelitas Technologies	LOWER LENS,2X 100FL	0
35-00-02-000 Excelitas Technologies	LOWER LENS,4X 50FL	3
29-20-40-000 Excelitas Technologies	1.5X AUX. LENS	3
35-00-11-000 Excelitas Technologies	LOWER LENS,0.4X 500FL	0
28-21-10-000 Excelitas Technologies	OPTEM 10X M PLAN APO OBJECTIVE	0
35-00-01-000 Excelitas Technologies	LOWER LENS,3X 67FL	3
28-21-02-001 Excelitas Technologies	OPTEM 2X M PLAN APO OBJECTIVE	0
45-00-06-000 Excelitas Technologies	1.25X 160FL LOWER LENS, SWIR	5
29-20-31-000 Excelitas Technologies	2X CONVERSION LENS	0

Eyepieces, Lenses

1. Overview

Optical inspection equipment eyepieces and lenses are critical components in precision measurement and quality control systems. These optical elements enable magnification, illumination, and image acquisition for industrial and scientific applications. Modern advancements in optical design, materials, and coating technologies have significantly improved resolution, durability, and adaptability in complex environments.

2. Main Types & Functional Classification

Type	Functional Features	Application Examples
Huygens Eyepieces	Simple design with two plano-convex lenses, chromatic aberration correction	Basic microscopy and educational equipment
Ramsden Eyepieces	Flat field of view, reticle compatibility	Measurement microscopes, coordinate measuring machines (CMM)
Wide-Angle Lenses	100 + field of view, ergonomic observation	Automated optical inspection (AOI) systems
High-Eye-Point Eyepieces	Ergonomic design for eyeglass wearers, extended eye relief	Industrial quality control stations
Apochromatic Lenses	Multi-element design for superior chromatic aberration correction	Semiconductor wafer inspection systems

3. Structure & Composition

Typical components include:

Optical Elements: Precision-ground glass/ polymer lenses (e.g., achromatic doublets, aspherical surfaces)
Mechanical Housing: Aluminum alloy/ stainless steel barrels with anti-reflective black anodization
Coatings: Multi-layer anti-reflective (AR) coatings, hydrophobic top layers
Adjustment Mechanisms: Interchangeable diaphragms, focusable lens mounts

4. Key Technical Specifications

Parameter	Typical Range	Importance
Magnification	5x-30x (eyepieces), 0.5x-100x (lenses)	Determines measurement resolution and field coverage
Field of View (FOV)	10 -120	Affects inspection efficiency and ergonomics
Numerical Aperture (NA)	0.1-0.95	Directly correlates with resolution and light gathering
Working Distance	5mm-300mm	Impacts accessibility in complex assemblies
Wavelength Range	400nm-1700nm	Defines compatibility with illumination sources

5. Application Fields

Semiconductor Manufacturing: Wafer defect inspection (KLA Surfscan systems)
Automotive: Surface roughness measurement (3D optical profilers)
Medical Devices: Micro-surgical tool inspection (confocal microscopes)
Electronics: Solder joint inspection (automated X-ray lenses)
Aerospace: Composite material analysis (polarized light lenses)

6. Leading Manufacturers & Products

Manufacturer	Headquarters	Representative Product
Carl Zeiss AG	Germany	Observer C-Apochromat 1.2 NA lens series
Olympus Corporation	Japan	UPlanSApo 100x oil immersion lens
Keyence Corporation	Japan	VHX-5000 series high-magnification lens
Edmund Optics	USA	59-875 C Series Fixed Focal Length Lens

7. Selection Guidelines

Key considerations:

Match numerical aperture to illumination system capabilities
Select working distance based on sample accessibility constraints
For color imaging applications, prioritize achromatic/ apochromatic designs
Environmental factors (temperature, vibration) require mechanical stability
Ensure compatibility with sensor formats (1.1", 1.5", etc.)
Budgetary constraints vs. lifetime cost analysis (coating durability, replacement costs)

8. Industry Trends

Current developments include:

Integration of AI-driven adaptive optics for real-time aberration correction
Multi-spectral lens systems combining visible/NIR/SWIR imaging
Microlens array technology for compact endoscopic inspection
Increased adoption of liquid lenses for variable focus applications
Smart eyepieces with embedded AR displays for guided inspection workflows

Market forecasts indicate 8.2% CAGR through 2027, driven by semiconductor and biomedical imaging demands.