Compact Cube Format
20mm size is practical for teaching kits, bench-top optical paths and small instrument layouts.
Felix Glass Co., Limited supplies a 20mm K9 optical prism cube for laboratory optical paths, physics education, teaching demonstrations, alignment checks and OEM optical assemblies. This renovated content keeps the original product direction: K9 optical glass, cube prism geometry, AR coating, approximately 92% transmittance and practical lab use. The prism cube is designed for buyers who need a compact optical block for visible-light experiments, display demonstrations, optical training kits or custom equipment where a clear drawing and application note can guide final specification review. A 20mm K9 optical prism cube is a small precision glass cube used to demonstrate and control light behavior in lab and education environments. The K9 substrate provides clear visible-light performance, while AR coating helps reduce surface reflection and support stable transmission in simple optical paths. 20mm size is practical for teaching kits, bench-top optical paths and small instrument layouts. Anti-reflection coating supports clearer transmission and easier observation during experiments. Suitable for physics education, optical demonstrations, alignment work and prototype review. The original page information is organized below so US buyers can quickly confirm the product fit before sending an inquiry. K9 optical glass is commonly selected for educational and general optical components because it balances clarity, processability and practical cost. For prism cube applications, it can support visible-light demonstration, classroom optics, alignment checks and simple optical path training. Useful for laboratory demonstrations and training setups where students or operators need to observe optical behavior. Surface quality and edge handling can be reviewed according to the intended optical setup and packing needs. Related prism sizes, coating bands and packaging requirements can be discussed for OEM or education-kit supply. Anti-reflection coating helps reduce surface reflection and makes the prism cube easier to use in visible-light demonstration and alignment work. Coating details should be confirmed by wavelength, incident angle, transmission target and handling environment before production. This prism cube is most useful when buyers need a simple, repeatable optical component for teaching, demonstrations or compact optical assemblies. Helps demonstrate refraction, reflection, transmission and light-path behavior in classroom or training environments. Supports bench-top optical demonstrations, alignment checks and small experimental assemblies. Can be reviewed for education kits, optical accessory sets and product-specific packing requirements. Useful as a compact reference component in visible-light optical path setup and inspection training. Confirm size, material, coating, quantity, packing and application environment. Select K9 optical glass and prepare material according to cube dimensions. Process cube geometry, edges and optical surfaces for the target use. Apply coating after wavelength and surface requirements are confirmed. Inspect appearance, dimensions, surface condition, coating and packing protection. Before ordering, confirm whether the 20mm cube size, K9 material and AR coating match the optical path. For non-standard experiments or OEM kits, share the drawing, wavelength, quantity, target transmittance and packing method so Felix Glass can review the most practical route. For procurement teams, the key checks are straightforward: material clarity, cube dimensions, surface appearance, coating condition, transmittance expectation and protective packaging. Clear specifications reduce follow-up time and help repeat orders stay consistent. Cube size, edge condition and visible appearance are reviewed against the order requirement. Surface condition and coating appearance are checked for lab and demonstration use. Individual protection can help prevent edge chips or coating marks during handling and shipment. Yes. It is a practical size for classroom demonstrations, optical training kits and visible-light experiments. AR coating reduces surface reflection and supports clearer transmission in simple lab optical paths. Custom size, coating band, packing and related prism requirements can be reviewed from drawings or samples. Send size, material, coating requirement, quantity, tolerance needs, packing preference and application notes. Use these internal pages to compare prism cube needs with related prism, lens and filter options on the Felix Glass site. Send your cube size, coating target, quantity, tolerance needs and application details. Felix Glass Co., Limited can review the prism cube requirement and provide a practical supply direction.20mm K9 Optical Prism Cube for AR-Coated Lab and Demonstration Use


What Is a 20mm K9 Optical Prism Cube?
Compact Cube Format
AR-Coated Surfaces
Lab-Friendly Use
Original Product Specifications in Engineering Review Order
Product Name 20mm K9 Optical Prism Cube, AR Coated, Lab Use. Category Optical Prisms. Brand Felix Glass Co., Limited. Material K9 optical glass, with custom substrate review available for related prism projects. Nominal Size 20mm cube format; custom dimensions can be reviewed from drawings or samples. Coating AR anti-reflection coating for laboratory and visible-light optical use. Transmittance Approximately 92% transmittance as referenced in the original product summary. Use Case Lab optics, physics education, demonstration kits, alignment experiments and OEM optical modules. Service OEM support available for size, coating, packing, batch quantity and related prism requirements. K9 Optical Glass for Clear Visible-Light Experiments

Visible-Light Clarity

Polished Cube Surfaces

Custom Review

AR Coating for Reduced Reflection in Lab Optical Paths
Applications in Lab Optics, Physics Education and OEM Demonstration Kits
Physics Education
Laboratory Experiments
OEM Optical Kits
Alignment Reference
Prism Cube Production and Inspection Workflow
Requirement Review
Blank Preparation
Cutting and Polishing
AR Coating
Final Check
How to Confirm the Right 20mm Prism Cube for Your Project

Quality Points for US Buyers Reviewing Optical Prism Cubes
Dimensional Check
Optical Surface Review
Packing Protection
FAQ About 20mm K9 Optical Prism Cubes
Is the 20mm K9 prism cube suitable for physics education?
What does AR coating help with?
Can Felix Glass adjust the size or coating?
What should I send for a fast quotation?
Related Optical Prism and Component Pages
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