Machine Vision
Compact inspection layouts that need a controlled 90-degree change in viewing or illumination path.
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Custom N-BK7 45 Degree Right Angle Reflective Prism Optical Light Turning Prism
Detail Information
Attention: compact beam turning
Custom N-BK7 45-Degree Right Angle Reflective Prism
Felix Glass Co., Limited supplies precision-ground and polished N-BK7 right angle prisms for 90-degree optical-path deflection. The original product scope is retained: uncoated blanks or optional high-reflection mirror coating, drawing-based side length, controlled optical tolerances, and support for industrial machine vision, measuring instruments, laboratory optics, imaging assemblies, and compact sensing modules.
Model FG-RAP-45N-BK7 optical glass90-degree beam turning
Send a Drawing for Review
Direct answer
How Does a 45-Degree Right Angle Prism Turn Light?
A right angle prism uses its two 45-degree angles and hypotenuse face to redirect an incoming beam by 90 degrees. Depending on the optical design, the hypotenuse can operate through total internal reflection or receive a reflective coating. The correct choice depends on wavelength, incidence conditions, polarization, efficiency target, and environmental requirements.
For a quotation, provide the optical drawing, material, side length, coated face, wavelength range, surface quality, flatness, angular tolerance, clear aperture, and quantity.
Interest: original technical parameters
Technical Parameters for Engineering Review
These values preserve the original listing and should be confirmed against the final drawing before production.
| Material | N-BK7 optical glass | Prism type | 45-degree right angle reflective prism |
|---|---|---|---|
| Optical function | 90-degree optical path deflection | Coating | High-reflection mirror coating or uncoated blank |
| Surface quality | 20/10; 60/40 optional | Surface flatness | 1/8 wave at 633 nm |
| Clear aperture | At least 80% of the central area | Angular tolerance | Up to plus or minus 3 arc minutes |
| Customization | OEM, ODM, and OBM side length and coating | Warranty and origin | 3 years; Guangdong, China |
Original application order
Applications for Right Angle Reflective Prisms
Optical Measurement
Measuring and calibration instruments where packaging space and beam direction are defined.
Laboratory Systems
Optical benches and experimental assemblies for alignment and path adjustment.
Imaging Devices
Imaging and beam-turning modules requiring a stable reflective geometry.
Mini Sensors
Compact optical sensing modules with limited mechanical envelope.
Desire: original service advantages
Custom Processing and Inspection Support
Custom dimensions
Side length and mechanical envelope can be produced from customer drawings.
Reflective coating
Coating feasibility is reviewed against wavelength, angle, and efficiency requirements.
Optical inspection
Finished prisms can be checked against agreed optical and mechanical criteria.
Production planning
Prototype and batch requirements can be evaluated for repeat manufacturing.
Engineering discussion
Technical requirements can be reviewed before quotation and production.
Configuration guidance
Uncoated Versus Mirror-Coated Prism Options
Uncoated blank
Consider an uncoated prism when total internal reflection is suitable for the operating angles, medium, and wavelength.
Mirror-coated hypotenuse
Consider a reflective coating when the optical path, incidence conditions, or system architecture do not support the required internal reflection behavior.
Drawing-based decision
Specify beam direction, wavelength, angle of incidence, polarization, and target reflectance so the coating route can be reviewed.
Project workflow01 02 03 04
From Optical Drawing to Finished Prism
Requirement review
Confirm material, size, wavelength, coating, tolerance, and quantity.
Grinding and polishing
Process the prism geometry and optical faces to the agreed drawing.
Coating if specified
Apply the approved reflective coating route to the designated surface.
Inspection and packing
Check agreed criteria and protect finished optical surfaces for shipment.
Risk control
Inspection Items to Define Before Ordering
A useful inspection plan connects the prism specification to the performance risk in the final system. Common checkpoints include dimensional accuracy, angular tolerance, scratch-dig, flatness, clear aperture, edge condition, coating appearance, and project-specific optical testing.
DimensionsAngleScratch-digFlatnessClear apertureCoating
Buyer questions
Frequently Asked Questions
Does this prism bend the beam by 45 degrees?
No. The prism has two 45-degree angles and is commonly used to produce a 90-degree optical-path deflection.
Can the prism be supplied without coating?
Yes. The original listing includes uncoated blanks and optional high-reflection mirror coating.
Can side length be customized?
Yes. Side length and related mechanical requirements can be reviewed from a drawing.
What data is needed for a quote?
Provide size, wavelength, coated face, surface quality, flatness, angular tolerance, clear aperture, quantity, and inspection needs.
Cross-link guide
Related Felix Glass Resources
Use these internal pages to review the Optical Prisms category, compare a related image-rotation prism, learn about Felix Glass, or submit project requirements.
Action
Prepare Your RFQRequest a Right Angle Prism Engineering Review
Send your drawing and optical requirements to Felix Glass Co., Limited for a practical review of N-BK7 geometry, tolerances, coating, quantity, and inspection needs.
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Send us your drawing, dimension & coating requirements for fast quotation within 24 hours.
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Custom Precision Optical & Glass Components Manufacturer – Felix Glass Co., Limited.
We supply Industrial Glass, Sapphire Optics, Optical Lenses/Prisms/Filters, Infrared IR Optics, Functional & Display Glass, N-BK7/H-K9L Optical Glass, supporting OEM mass production and laboratory custom prototypes. Flexible MOQ & free sample service available. Fill in the form to download full datasheets and get factory wholesale price within 24 hours.
CONTACT US NOW FOR A QUOTE
We will respond promptly within 1 to 5 hours and provide an optimal, formal quotation within 1 to 2 days. Partnering with us is the smartest choice—start a mutually beneficial partnership today!
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Learn more from our FAQ
- What is the minimum order quantity for custom precision optical glass components?
FELIX OPTICAL GLASS offers highly flexible MOQs to support customer projects, including prototype testing, small-batch trial orders, and high-volume production. All products can be fully customized to your drawings, tolerances, and application standards. Please send us your specifications, and we will reply within 1-5 hours and provide an accurate quotation after careful evaluation within 1-2 days.
- Can I get free glass samples for testing before bulk order?
Yes, our FELIX GLASS factory supports sample testing for a wide range of precision optical glass components and assemblies. The lead time for sample production is 3 to 7 working days. Please contact us today to arrange samples and obtain a customized solution that meets your needs.
- What is the production lead time for custom optical glass components?
A: The production cycle for standard samples is 3-10 working days, while mass production requires 15-35 working days, depending on the complexity of the product and the order quantity. We provide reliable precision optical glass components and fast delivery services for orders from industries such as defense, industrial equipment, medical devices, shipbuilding, robotics, automotive, and aerospace. Please submit your project details so we can provide you with an accurate delivery schedule.
- Are your optical glass products ISO, CE and RoHS certified?
All precision optical glass components from FELIX OPTICAL GLASS comply with ISO quality system standards as well as CE and RoHS requirements. We provide comprehensive test reports, spectral graphs, material certificates, and inspection documents for customer review. Please feel free to request complete certification details and a formal quotation at any time.
- Do you offer one-stop custom optical glass processing services?
Yes. We offer a full range of precision optical glass component processing services, including CNC machining, precision grinding, optical polishing, chemical/physical tempering, vacuum coating (AR anti-reflective coating, AF anti-fingerprint coating, AG anti-glare coating, IR infrared coating), and screen printing. From raw materials to finished products, every step is completed in our own factory. Please tell us your needs, and we will provide you with the most cost-effective solution.
CONTACT US NOW FOR A QUOTE
We will respond promptly within 1 to 5 hours and provide an optimal, formal quotation within 1 to 2 days. Partnering with us is the smartest choice—start a mutually beneficial partnership today!
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With 19 years of experience as a precision optical glass expert, we provide comprehensive and satisfactory customized solutions.
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