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Tactical Grade K9 Beam Splitter Cube (30mm) – 50/50 Split Ratio | Optical Glass for DIY Reflex Sights & Holograms

Original price was: ₨ 14,000.Current price is: ₨ 8,999.

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Engineer your own optical precision. The SniperMod K9 Beam Splitter Cube is the industry standard for DIY Red Dot Sights and Holo-Cubic displays. Crafted from high-transmission H-K9L Borosilicate Glass (N-BK7 equivalent) and featuring a protected internal dielectric coating, this prism delivers a perfect 50/50 light split with zero ghosting.

Detailed Technical Specifications Table:

FeatureSpecificationUser Benefit
MaterialH-K9L (K9) Optical Glass

RoHS Compliant, High Transmission (>90%) 3

Dimensions30mm * 30mm * 30mmStandard fit for most 3D printed housings
Tolerance+- 0.1mm

Ensures tight fit in alignment slots

Split Ratio50% Transmit / 50% ReflectIdeal balance for visibility and reticle brightness
Refractive Index1.5163

Compatible with standard optical designs

Surface Quality60/40 Scratch-Dig

Military-grade clarity, no visible defects

CoatingDielectric Beam SplitterNon-absorptive, highly efficient, durable
Flatness@ 633nmPrevents reticle distortion (“starbursting”)
Chamfer0.2mm  x  45  degrees Protective bevel prevents chipping during install

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The Heart of Your Optical Project Whether you are restoring a vintage rangefinder or 3D printing a custom Holo Cubic weather station, the quality of your glass dictates the quality of your result. Cheap plastic prisms or standard window glass introduce haze, bubbles, and distortion that ruin the illusion.

Why Choose the SniperMod K9 Cube?

  • Zero Ghosting: Unlike plate beam splitters that create distracting double images due to rear-surface reflections, our cemented cube design ensures a single, crisp optical path. The reflection occurs strictly at the internal interface, making it the only choice for precision reflex sights.   

  • Superior Material Science: We use H-K9L glass, a borosilicate crown glass known for its low dispersion (Abbe Number 64.2). This means your red or green dot remains a sharp point, without the “rainbow” blurring found in polycarbonate lenses.   

  • Built for Makers: Compatible with all standard 650nm (Red) and 532nm (Green) laser modules, as well as IPS LCD screens for holographic projection. The 50/50 dielectric coating ensures that your projected image is as bright as the real world behind it.

Weight81 g
Dimensions1.18 × 1.18 × 1.18 in

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