Machine Vision
Compact inspection layouts that need a controlled 90-degree change in viewing or illumination path.
Custom N-BK7 45 Degree Right Angle Reflective Prism Optical Light Turning Prism
group nameOptical Prisms
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Min Order1 piece
brand nameFELIX GLASS optical glass Manufacturing base
modelFG-RAP-45
payment methodT/T, L/C, D/P D/A, MoneyGram, Credit Card, PayPal, Westem Union, Cash, Escrow
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update timeWed, 15 Jul 2026 09:59:39 GMT
Paramtents
Coating Option Uncoated / High reflection mirror coating
Prism Angle 45 degree right angle
Custom Available OEM ODM OBM custom side length
Packging & Delivery
Min Order1 piece
Briefing
Custom N-BK7 right angle prism for 90-degree beam turning, with drawing-based dimensions and optional mirror coating.
Detailed
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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- Nearest port for product export
- Shenzhen, Guangzhou
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