How may I help you?
Engineers are available to assist.
Our operators are not available at the moment. Please leave a message and we will contact you soon
Leave a message
My Account
Log In
New to EO?
Register.
0
Cart
Manufacturing
Custom and volume optical manufacturing with the expertise to guide you:
PRECISION
OPTICS
by EDMUND
FILTER
OPTICS
by EDMUND
LASER
OPTICS
by EDMUND
IMAGING
OPTICS
by EDMUND
Learn
Knowledge Center
Edmund Events
Company
About Us
Trade Shows
Regional Offices
Careers
Catalogs
Edmund Scientific
Contact Us
Executive Team
Compliance
Discounts/Programs
Press Releases
DEI Statement
English
Select Your Language:
English
简体中文
日本語
한국어
繁體中文
Deutsch
Français
EUR
Select Your Currency:
USD
GBP
EUR
JPY
SGD
KRW
RMB
TWD
AUD
INR
CAD
Can't find your local currency? Visit our
Contact Us
page for pricing guidance.
Contact Us
Shop
Shop by Category
Optics
Back
Optical Lenses
Achromatic Lenses
Aspheric Lenses
Plano-Convex Lenses
Double-Convex Lenses
Plano-Concave Lenses
Double-Concave Lenses
Cylinder Lenses
Laser Lenses
IR Lenses
UV Lenses
Ball and Condenser Lenses
Fresnel Lenses
Focus Tunable Lenses
Specialty Lenses
Lens Kits
View All
Optical Mirrors
Flat Mirrors
Off-Axis Mirrors
Nd:YAG Laser Mirrors
Broadband Dielectric Mirrors
Laser Line Mirrors
Ultrafast Laser Mirrors
Focusing (Concave) Mirrors
IR Mirrors
Hot and Cold Mirrors
Specialty Mirrors
View All
Windows and Diffusers
Visible Windows
UV and IR Windows
Laser Windows
Interferometry Windows
Specialty Windows
Optical Diffusers
View All
Optical Filters
Bandpass Filters
Longpass Filters
Shortpass Filters
Notch Filters
Neutral Density (ND) Filters
Color and Absorptive Filters
Dichroic Filters
Ultra-Thin Filters
Laser Filters
Machine Vision Filters
View All
Polarization Optics
Linear Polarizers
Circular Polarizers
Depolarizers
Retarders (Waveplates)
Polarizing Beamsplitters
Polarization Testing
Optomechanics for Polarizers
View All
Beamsplitters
Plate Beamsplitters
Cube Beamsplitters
Polarizing Beamsplitters
Non-Polarizing Beamsplitters
Laser Beamsplitters
View All
Prisms
Right Angle Prisms
Dispersion Prisms
Penta Prisms
Image Rotation Prisms
Light Pipes and Homogenizing Rods
Mounted Prisms
Retroreflection Prisms
Specialty Prisms
View All
Diffraction Gratings
Ruled Reflective Diffraction Gratings
Holographic Reflective Diffraction Gratings
Echelle Reflective Gratings
Concave Diffraction Gratings
Transmissive Diffraction Gratings
Specialty Gratings
View All
Optical Assemblies
Optical Kits
C-Mount Optical Components
Laser Optic Assemblies
Alignment and Testing Accessories
View All
SCHOTT Optical Components
Infrared Optics
Germanium Optics
Zinc Selenide (ZnSe) Optics
Reflective IR Optics
Sapphire Optics
Silicon Optics
Calcium Fluoride Optics
Fused Silica Optics
Magnesium Fluoride Optics
Zinc Sulfide Optics
Chalcogenides
Other IR Materials
IR Assemblies
View All
Fiber Optics
Laser Optics
Laser Mirrors
Laser Lenses
Laser Windows
Laser Filters
Ultrafast Optics
Laser Beam Expanders
Laser Optical Assemblies
Laser Beam Shaping
Laser Beamsplitters
Laser Microscopy
Crystals and Isolators
Laser Polarization
Laser Prisms
View All
Ultrafast Optics
Ultrafast Pulse Compressors
Ultrafast Pulse Compression Mirrors
Low GDD Ultrafast Mirrors
Ultrafast Polarizers
Ultrafast Lenses and Windows
Ultrafast Optical Filters
Ultrafast Harmonic Separators and Beamsplitters
Ultrafast Laser Diagnostics
Reflective Objectives and Beam Expanders
Compression Prisms
Pulse Compression Gratings
Nonlinear Crystals
Cailabs Canunda Reflective Axicons
View All
IBS (Ion Beam Sputtering) Coated Optics
Diffractive Optical Elements (DOE)
View All Optics
Laser Optics
Back
Laser Mirrors
Laser Line Mirrors
Broadband Laser Mirrors
Ultrafast Laser Mirrors
Dichroic Mirrors & Harmonic Separators
Laser Mirror Substrates
View All
Laser Lenses
Plano-Convex (PCX) Laser Lenses
Aspheric Laser Lenses
Cylinder Laser Lenses
Laser Focusing Assemblies
Specialty Laser Lenses
View All
Laser Windows
Laser Line Windows
Broadband Laser Windows
Single Surface Coated Laser Windows
Uncoated Laser Windows
Specialty Laser Windows
View All
Laser Filters
Bandpass Filters
Longpass Edge and Dichroic Filters
Shortpass Edge and Dichroic Filters
Notch Filters
Harmonic Separators
Neutral Density (ND) Filters
View All
Ultrafast Optics
Ultrafast Pulse Compressors
Ultrafast Pulse Compression Mirrors
Low GDD Ultrafast Mirrors
Ultrafast Polarizers
Ultrafast Lenses and Windows
Ultrafast Optical Filters
Ultrafast Harmonic Separators and Beamsplitters
Ultrafast Laser Diagnostics
Reflective Objectives and Beam Expanders
Compression Prisms
Pulse Compression Gratings
Nonlinear Crystals
Cailabs Canunda Reflective Axicons
View All
Laser Beam Expanders
Scorpii® Beam Expanders
Vega® Beam Expanders
Arcturus® Beam Expanders
Draconis® Beam Expanders
Canopus® Beam Expanders
Research-Grade VBX
CO
2
Beam Expanders
View All
Laser Optical Assemblies
Laser Beam Expanders
Variable Ultrafast Compressor and Stretcher Kit
Microscope Objectives
Beam Shapers
Optical Isolators
F-Theta Lenses
Galvanometers
View All
Laser Beam Shaping
Laser Beamsplitters
Laser Microscopy
Crystals and Isolators
Laser Polarization
Laser Prisms
View All Laser Optics
Optomechanics
Back
Tube System
Multi-Element Tube System
C, S, and T-Mount Components
SM Tube System
View All
Optical Cage System
Cage System Optical Mounts
Cage System Support Rods
Cage System Plates
Cage System Spheres
Cage System Accessories
Cage System Kits
View All
Benchtop Optical Mounts
E-Series Kinematic Optical Mounts
Optical Mirror Mounts
Optical Lens and Filter Mounts
Prism and Beamsplitter Mounts
Polarizer Mounts
Laser and Fiber Optic Mounts
View All
Benchtop System
Optical Posts
Optical Post Holders and Mounting Bases
Optical Post Accessories
Imaging Mechanics
Benchtop Brackets and Plates
View All
Optical Tables and Breadboards
Bench Plates
Composite Breadboards
Vibration Isolation Tables
Optical Breadboard Accessories
View All
Motorized Translation Stages
Motorized Linear Stages
Motorized Rotary Stages
Motorized Linear Actuators
Motorized Stages for Life Sciences
Piezo Driven Motorized Stages
Controllers for Motorized Stages
Accessories for Motorized Stages
View All
Manual Translation Stages and Slides
Manual Stages and Slides
Accessories for Manual Stages and Slides
View All
Irises and Apertures
Iris Diaphragms
Pinholes and Slits
Iris and Aperture Mounts
Shutters
View All
Accessories
Tools
Thread Adapters and Screws
Plates and Brackets
Others
View All
View All Optomechanics
Microscopy
Back
Edmund Optics® Objectives
Reflective Objectives
TECHSPEC® Objectives
View All
Mitutoyo Objectives
Mitutoyo Objectives
Mitutoyo Microscopes
View All
Olympus Objectives
Olympus Objectives
Olympus Microscopes
View All
Nikon Objectives
Nikon Objectives
View All
ZEISS Objectives
Automated Upright Microscopes
Infinity Corrected Objectives
Finite Conjugate Objectives
Reflective Objectives
TECHSPEC® Objectives
TECHSPEC® Objectives
View All
Microscopy Cameras
USB Cameras
View All
Microscopy Lighting
Ring Lights
Spot Lights
Backlights
Fiber Optic Illuminators
Fiber Optic Light Guides
Microscopy Lighting Accessories
View All
Microscope Systems
Microscopy Filters
Bandpass Filters
Longpass and Dichroic Edge Filters
Shortpass Edge Filters
ND Filters
View All
Modular Zoom Lenses
Microscopy Targets
Reticles and Stage Micrometers
Microscopy Mechanics
C, S, and T-Mount Components
Optical Breadboard Components and Laboratory Tables
Posts and Post Holders
Optical Mounts
Linear Positioning Stages
View All
Eyepieces
Relay Lenses and Couplers
Pocket and Direct Microscopes
Magnifiers
Comparators
Contact Reticles
Eyeglass Magnifiers
Handheld Magnifiers
Linen Testers
View All
View All Microscopy
Lasers
Back
Laser Sources
Machine Vision Lasers
Life Science Lasers
Metrology Lasers
Gas Lasers
Industrial and Pointing Lasers
Material Processing Lasers
View All
Laser Measurement and Electronics
Laser Beam Analysis
Laser Power Meters
EO Laser Measurement
Infrared (IR) and Ultraviolet (UV) Viewers
Laser Electronics
View All
Laser Optics
Laser Mirrors
Laser Lenses
Laser Windows
Laser Filters
Ultrafast Optics
Laser Beam Expanders
Laser Optical Assemblies
Laser Beam Shaping
Laser Beamsplitters
Laser Microscopy
Crystals and Isolators
Laser Polarization
Laser Prisms
View All
Laser Mechanics
Laser Safety
Laser Safety Glasses and Goggles
Laser Protection
View All
Laser Accessories
Lab and Production
Optical Cleaning
Component Handling Tools
General Tools
Optical Adhesives
Acktar Blackened Products
Blackout Material
UV Lamps and Accessories
Storage
Lab Kits
Laser Safety
Magnets
View All
View All Lasers
Imaging Lenses
Back
Fixed Focal Length Lenses
Telecentric Lenses
M12 Lenses (S-Mount Lenses)
Microscope Objectives
Edmund Optics® Objectives
Infinity Corrected Objectives
Finite Conjugate Objectives
Reflective Objectives
Mitutoyo Objectives
TECHSPEC® Objectives
Olympus Objectives
Nikon Objectives
ZEISS Objectives
Infinity Photo-Optical
View All
Ruggedized Lenses
Liquid Lenses
Zoom Lenses
Variable Magnification Lenses
Relay Lenses
Imaging Lens Accessories
Machine Vision Filters
Imaging Lens Accessories
View All
Cinema Production and Advanced Photography
View All Imaging Lenses
Cameras
Back
Teledyne FLIR Cameras
Teledyne Dalsa Cameras
Teledyne Lumenera Microscopy Cameras
Allied Vision Cameras
Basler Cameras
IDS Imaging Cameras
JAI Cameras
LUCID Vision Labs Cameras
Pixelink® Cameras
EO Cameras
USB Cameras
Gigabit Ethernet Cameras
Imaging Systems
Analog Cameras
FireWire Cameras
Other Cameras
Camera Accessories and Optomechanics
View All Cameras
Lights and Illumination
Back
Machine Vision Lighting
Ring Lights
Bar Lights
Backlights
Inline Lights
Spot Lights
Diffuse Lights
Flat Dome Lights
Washdown Lights
Machine Vision Lighting Accessories
View All
Microscopy Lighting
Ring Lights
Spot Lights
Backlights
Fiber Optic Illuminators
Fiber Optic Light Guides
Microscopy Lighting Accessories
View All
Spectroscopy Lighting
Laser Sources
Machine Vision Lasers
Life Science Lasers
Metrology Lasers
Gas Lasers
Industrial and Pointing Lasers
Material Processing Lasers
View All
Other Light Sources
Illumination Accessories
Machine Vision Lighting Accessories
Microscopy Lighting Accessories
View All
View All Lights and Illumination
Test Targets
Back
Resolution Test Targets
Distortion Test Targets
Image Analysis & Stage Micrometers
Color & Gray Level Test Targets
USAF Targets
Ronchi Rulings
Reticles
View All Test Targets
Testing and Detection
Back
Optical Metrology
Laser Measurement and Electronics
Laser Beam Analysis
Laser Power Meters
EO Laser Measurement
Infrared (IR) and Ultraviolet (UV) Viewers
Laser Electronics
View All
Detectors
Amplifiers
Light Meters
Spectroscopy
Scratch Dig and Roughness Standards
Measurement Tools
Active Optical Components
View All Testing and Detection
Lab and Production
Back
Optical Cleaning
Lens Tissue and Cloth
Optical Cleaning Kits
Gloves, Brushes, and Swabs
Lens Cleaners and Pouches
Optics Care Kit
View All
Component Handling Tools
Gloves
Pick-Up Tools
Tweezers and Pliers
Component Handling Kit
View All
General Tools
Optical Adhesives
Acktar Blackened Products
Blackout Material
UV Lamps and Accessories
Storage
Lab Kits
Laser Safety
Laser Safety Glasses and Goggles
Laser Protection
View All
Magnets
View All Lab and Production
Clearance
Recertified Products
New Products
Brands
Manufacturing
Knowledge Center
Edmund Events
Company
Product Tools and Discounts
Quick Quote Tool
Custom Quoting & Calculators
Product Selection Tools
Programs & Promotions
Help and My Account
My Account
Contact Us and Help
Sign in
✕
Product added to cart
#27-851 - 25mm Dia. x 4mm MgF
2
Coated, N-BK7 Window
No longer available at Edmund Optics
®
Get Product Downloads
Please review the similar products below or
contact us
for further assistance determining replacement products.
Recommended Replacements
TECHSPEC
®
components are designed, specified, or manufactured by Edmund Optics.
Learn More
25mm Diameter MgF
2
Coated, B270 Window
32-951
40,50
€40,50
In Stock
×
Similar Products
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
or view regional numbers
QUOTE TOOL
enter stock numbers to begin
Copyright 2023 | Edmund Optics, Ltd Unit 1, Opus Avenue, Nether Poppleton, York, YO26 6BL, UK
California Consumer Privacy Act (CCPA): Do Not Sell or Share My Personal Information
California Transparency in Supply Chains Act