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Optics | 光學產品
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Optical Lenses | 透鏡
Achromatic Lenses | 消色差透鏡
Aspheric Lenses | 非球面透鏡
Plano-Convex (PCX) Lenses | 平凸 (PCX) 透鏡
Double-Convex (DCX) Lenses | 雙凸透鏡
Plano-Concave (PCV) Lenses | 平凹 (PCV) 透鏡
Double-Concave Lenses | 雙凹透鏡
Cylinder Lenses | 柱狀透鏡
Laser Lenses | 雷射透鏡
IR Lenses | 紅外線透鏡
UV Lenses | 紫外線透鏡
Ball and Condenser Lenses | 球形透鏡與特殊透鏡
Fresnel Lenses
Focus Tunable Lenses
Specialty Lenses | 特殊透鏡
Lens Kits
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Optical Mirrors | 反射鏡
Flat Mirrors | 精密平面反射鏡
Off-Axis Mirrors | 離軸聚焦反射鏡
Nd:YAG 雷射光反射鏡
Broadband Laser Mirrors | 寬頻雷射反射鏡
Laser Line Mirrors | 雷射光反射鏡
Ultrafast Laser Mirrors | 超快雷射光反射鏡
Focusing (Concave) Mirrors | 聚焦反射鏡
IR Mirrors
Hot and Cold Mirrors
Specialty Mirrors | 特殊平面反射鏡
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Windows and Diffusers
Visible Windows
UV and IR Windows
Laser Window | 雷射光窗鏡
Interferometry Windows
Specialty Windows
光學漫射器
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Optical Filters | 光學濾光片
Bandpass Selection Filters | 帶通濾光片
Longpass Filters
Shortpass Filters
Notch Filters | 陷波濾波片
Neutral Density (ND) Filters | 中性密度濾光片
Color and Absorptive Filters
Dichroic Filters | 二向色濾光片
Ultra-Thin Filters
Laser Filters
Machine Vision Filters
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Polarization Optics | 偏振光學元件
Linear Polarizers
Circular Polarizers
Depolarizers
Retarders (Waveplates)
Polarizing Beamsplitters
Polarization Testing
Optomechanics for Polarizers
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Beamsplitters | 分光鏡
Plate Beamsplitters
Cube Beamsplitters
Polarizing Beamsplitters
Non-Polarizing Beamsplitters
Laser Beamsplitters
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Prisms | 稜鏡
Right Angle Prisms
Dispersion Prisms
Penta Prisms
Image Rotation Prisms
Light Pipes and Homogenizing Rods
Mounted Prisms
Retroreflection Prisms
Specialty Prisms
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Diffraction Gratings
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Echelle Reflective Gratings
Concave Diffraction Gratings
Transmissive Diffraction Gratings
Specialty Gratings
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Optical Assemblies | 光學組装
Optical Kits
C-Mount Optical Components
Laser Optic Assemblies
Alignment and Testing Accessories
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SCHOTT Optical Components
Infrared Optics | 紅外線光學產品
Germanium Optics | 鍺光學產品
Zinc Selenide Optics | 鋅光學產品
Reflective IR Optics | 反射式紅外線光學產品
Sapphire Optics | 藍寶石光學產品
Silicon Optics | 矽光學產品
Calcium Fluoride Optics | 氟化鈣光學產品
Fused Silica Optics | 熔融石英光學產品
Magnesium Fluoride Optics | 氟化鎂光學產品
Zinc Sulfide Optics | 硫化鋅光學產品
Chalcogenides | 硫屬元素化合物
Other IR Materials | 其他紅外線材料
IR Assemblies | 其他紅外線材料
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Fiber Optics
Laser Optics | 雷射光學
Laser Mirrors
Laser Lenses | 雷射透鏡
Laser Window | 雷射光窗鏡
Laser Filters
Ultrafast Optics
雷射光束擴束器
Laser Optical Assemblies
Laser Beam Shaping
Laser Beamsplitters
Laser Microscopy
Crystals and Isolators
Laser Polarization
Laser Prisms
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Ultrafast Optics
Ultrafast Pulse Compressors
Ultrafast Pulse Stretchers
Ultrafast Pulse Compression Mirrors
Low GDD Ultrafast Mirrors
超快偏光片
Ultrafast Lenses and Windows
Ultrafast Optical Filters
超快速諧波分離器和分光器
Ultrafast Laser Diagnostics
Reflective Objectives and Beam Expanders
Compression Prisms
Pulse Compression Gratings
Nonlinear Crystals
Cailabs Canunda Reflective Axicons
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IBS (Ion Beam Sputtering) Coated Optics
Diffractive Optical Elements (DOE)
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Laser Optics | 雷射光學
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Laser Mirrors
Laser Line Mirrors | 雷射光反射鏡
Broadband Laser Mirrors
Ultrafast Laser Mirrors | 超快雷射光反射鏡
Dichroic Mirrors & Harmonic Separators
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Laser Lenses | 雷射透鏡
平凸 (PCX) 雷射應用透鏡
非球面雷射應用透鏡
柱面雷射應用透鏡
雷射聚焦組件
特種雷射透鏡
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Laser Window | 雷射光窗鏡
Laser Line Windows | 雷射光窗鏡
Broadband Laser Windows | 寬帶雷射光窗鏡
Single Surface Coated Laser Windows | 單面鍍膜雷射光窗鏡
Uncoated Laser Windows | 未鍍膜雷射光窗鏡
Specialty Laser Windows | 特殊雷射光窗鏡
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Laser Filters
Bandpass Filters
Longpass Edge and Dichroic Filters
Shortpass Edge and Dichroic Filters
Notch Filters
Harmonic Separators
Neutral Density (ND) Filters
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Ultrafast Optics
Ultrafast Pulse Compressors
Ultrafast Pulse Stretchers
Ultrafast Pulse Compression Mirrors
Low GDD Ultrafast Mirrors
超快偏光片
Ultrafast Lenses and Windows
Ultrafast Optical Filters
超快速諧波分離器和分光器
Ultrafast Laser Diagnostics
Reflective Objectives and Beam Expanders
Compression Prisms
Pulse Compression Gratings
Nonlinear Crystals
Cailabs Canunda Reflective Axicons
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雷射光束擴束器
Scorpii® 光束擴束器
Vega® 光束擴束器
Arcturus® 光束擴束器
Draconis® 光束擴束器
Canopus® 光束擴束器
Research-Grade VBX
CO
2
光束擴束器
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Laser Optical Assemblies
雷射光束擴束器
Variable Ultrafast Compressor and Stretcher Kit
Microscope Objectives
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Optical Isolators
F-Theta Lenses
Galvanometers
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Laser Beam Shaping
Laser Beamsplitters
Laser Microscopy
Crystals and Isolators
Laser Polarization
Laser Prisms
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Optomechanics | 光機組件
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Tube System | 鏡筒系統
Multi-Element Tube System
C, S, and T-Mount Components
ID Tube System
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Optical Cage System | 光學籠式系統
Cage System Optical Mounts
Cage System Support Rods
Cage System Plates
Cage System Spheres
籠式系統配件
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Benchtop Optical Mounts | 台式光學安裝座
E系列動態圓形光學安裝座
Optical Mirror Mounts
Optical Lens and Filter Mounts
Prism and Beamsplitter Mounts
Polarizer Mounts
Laser and Fiber Optic Mounts
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Benchtop System
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Optical Tables and Breadboards
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Vibration Isolation Tables
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Motorized Translation Stages
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Motorized Stages for Life Sciences
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Manual Translation Stages and Slides
Manual Stages and Slides
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Irises and Apertures
Iris Diaphragms
Pinholes and Slits
Iris and Aperture Mounts
Shutters
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Accessories
Tools
Thread Adapters and Screws
Plates and Brackets
Others
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查看所有 Optomechanics | 光機組件
Microscopy | 顯微鏡
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Edmund Optics® Objectives
Reflective Objectives
TECHSPEC® Objectives
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Mitutoyo Objectives | Mitutoyo 物鏡
Mitutoyo Objectives
Mitutoyo Microscopes
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Olympus Objectives | Olympus 物鏡
Olympus Objectives
Olympus Microscopes
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Nikon Objectives | Nikon 物鏡
Nikon Objectives
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ZEISS Objectives | ZEISS 物鏡
Automated Upright Microscopes
Infinity Corrected Objectives
Finite Conjugate Objectives | 有限共軛物鏡
Reflective Objectives
TECHSPEC® Objectives
TECHSPEC® Objectives
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Microscopy Cameras
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Microscopy Lighting
Ring Lights
Spot Lights
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Fiber Optic Illuminators
Fiber Optic Light Guides
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Microscopy Cameras | 立體顯微鏡
Microscopy Filters
Bandpass Filters
Longpass and Dichroic Edge Filters
Shortpass Edge Filters
ND Filters
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Modular Zoom Lenses
Microscopy Targets
Reticles and Stage Micrometers
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C, S, and T-Mount Components
Optical Breadboard Components and Laboratory Tables
Posts and Post Holders
Optical Mounts
Linear Positioning Stages
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Eyepieces
Relay Lenses and Couplers
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Magnifiers
Comparators
Contact Reticles
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查看所有 Microscopy | 顯微鏡
Lasers | 雷射
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Laser Sources
Machine Vision Lasers
Life Science Lasers
Metrology Lasers
Gas Lasers
Industrial and Pointing Lasers
Material Processing Lasers
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Laser Measurement and Electronics
Laser Beam Analysis
Laser Power Meters
EO Laser Measurement
Infrared (IR) and Ultraviolet (UV) Viewers
Laser Electronics
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Laser Optics | 雷射光學
Laser Mirrors
Laser Lenses | 雷射透鏡
Laser Window | 雷射光窗鏡
Laser Filters
Ultrafast Optics
雷射光束擴束器
Laser Optical Assemblies
Laser Beam Shaping
Laser Beamsplitters
Laser Microscopy
Crystals and Isolators
Laser Polarization
Laser Prisms
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Laser Mechanics
Laser Safety | 雷射機械
Laser Safety Glasses and Goggles
Laser Protection
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Laser Accessories | 雷射配件
Lab and Production | 實驗室和生產線
Optical Cleaning
Component Handling Tools
General Tools
Optical Adhesives
Acktar Blackened Products
Blackout Material
UV Lamps and Accessories
Storage
Lab Kits
Laser Safety | 雷射機械
Magnets
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查看所有 Lasers | 雷射
Imaging Lenses | 成像鏡頭
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Fixed Focal Length Lenses | 定焦鏡頭
Telecentric Lenses | 遠心鏡頭
M12 Lenses (S-Mount Lenses) | M12 鏡頭 (S 接口鏡頭)
Microscope Objectives
Edmund Optics® Objectives
Infinity Corrected Objectives
Finite Conjugate Objectives | 有限共軛物鏡
Reflective Objectives
Mitutoyo Objectives | Mitutoyo 物鏡
TECHSPEC® Objectives
Olympus Objectives | Olympus 物鏡
Nikon Objectives | Nikon 物鏡
ZEISS Objectives | ZEISS 物鏡
Infinity Photo-Optical
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Ruggedized Lenses
Liquid Lenses
Zoom Lenses | 變焦鏡頭
Variable Magnification Lenses | 可變放大倍率鏡頭
Relay Lenses
Imaging Lens Accessories | 成像鏡頭配件
Machine Vision Filters
Imaging Lens Accessories
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Cinema Production and Advanced Photography
查看所有 Imaging Lenses | 成像鏡頭
Cameras | 相機
Back
FLIR Cameras | FLIR 相機
Teledyne Dalsa Cameras | Teledyne Dalsa 相機
Teledyne Lumenera Microscopy Cameras
Allied Vision Cameras | Allied Vision 相機
Basler Cameras | Basler 相機
IDS Imaging Cameras | IDS 相機
JAI Cameras
LUCID Vision Labs Cameras™ | Lucid Vision 相機
Pixelink® Cameras | Pixelink 相機
EO Cameras
USB Cameras
Gigabit Ethernet Cameras
High Speed Interface Cameras
Imaging Systems
Analog Cameras
FireWire Cameras
Other Cameras
Camera Accessories and Optomechanics | 相機配件
查看所有 Cameras | 相機
Lights and Illumination | 照明
Back
Machine Vision Lighting
Ring Lights
Bar Lights
Backlights
Inline Lights
Spot Lights
Diffuse Lights
Flat Dome Lights
Washdown Lights
Machine Vision Lighting Accessories
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Microscopy Lighting
Ring Lights
Spot Lights
Backlights
Fiber Optic Illuminators
Fiber Optic Light Guides
Microscopy Lighting Accessories
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Spectroscopy Lighting
Laser Sources
Machine Vision Lasers
Life Science Lasers
Metrology Lasers
Gas Lasers
Industrial and Pointing Lasers
Material Processing Lasers
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Other Light Sources
Illumination Accessories
Machine Vision Lighting Accessories
Microscopy Lighting Accessories
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查看所有 Lights and Illumination | 照明
Test Targets | 測試板
Back
Resolution Test Targets
Distortion Test Targets | 畸變測試版
Image Analysis & Stage Micrometers
Color & Gray Level Test Targets
USAF Targets | USAF 測試版
Ronchi Rulings
Reticles
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Testing and Detection | 測試與監測
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Optical Metrology | 光學度量
Machine Vision Solutions
Laser Measurement and Electronics
Laser Beam Analysis
Laser Power Meters
EO Laser Measurement
Infrared (IR) and Ultraviolet (UV) Viewers
Laser Electronics
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Detectors
Amplifiers
Light Meters
Spectroscopy | 光譜儀
Scratch Dig and Roughness Standards
Measurement Tools
Active Optical Components
查看所有 Testing and Detection | 測試與監測
Lab and Production | 實驗室和生產線
Back
Optical Cleaning
Lens Tissue and Cloth
Optical Cleaning Kits
Gloves, Brushes, and Swabs
Lens Cleaners and Pouches
Optics Care Kit
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Component Handling Tools
Gloves
Pick-Up Tools
Tweezers and Pliers
Component Handling Kit
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General Tools
Optical Adhesives
Acktar Blackened Products
Blackout Material
UV Lamps and Accessories
Storage
Lab Kits
Laser Safety | 雷射機械
Laser Safety Glasses and Goggles
Laser Protection
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Magnets
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#39-452 - 21mm Dia., English Circle Crosshair, Contact Reticle
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21mm Dia., Metric Circle Crosshair, Contact Reticle
39-454
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