Original Optoma EH7700 Triangular Reflective Mirror โ Genuine Replacement Part
This genuine Optoma EH7700 triangular reflective mirror (also known as a reflective prism) is a brand new, highโprecision optical component designed to restore your projectorโs image quality. Featuring a square corner design (14mm), it directly replaces the original part to correct color distortion, image deformation, and light attenuation. Perfect for extending the lifespan of your Optoma EH7700 projector.
Technical Specifications โ Optoma EH7700 Reflective Mirror
| Compatible Model | Optoma EH7700 |
|---|---|
| Part Type | Triangular Reflective Mirror / Prism |
| Dimensions / Feature | Square corner โ 14mm |
| Condition | Brand new, 100% genuine Optoma spare part |
| Material | Highโprecision optical glass with reflective coating |
Key Features & Benefits โ Genuine Optoma Reflective Mirror
- 100% Genuine Optoma spare part โ guaranteed fit and optical performance
- Direct replacement โ matches original specifications for Optoma EH7700
- Highโprecision optical glass โ restores image clarity and color accuracy
- Fixes common optical issues โ eliminates color distortion, image deformation, and light attenuation
- Extends projector lifespan โ restores likeโnew condition
Why Reflective Prisms Fail & Common Issues Solved
Prolonged operation of projectors causes optical cement layer degradation, resulting in prism delamination or cracking. Combined with dust accumulation, this reduces light transmittance. Alternatively, inadequate thermal resistance in certain prisms leads to warping after extended use. Symptoms include:
- Color distortion or abnormal color patches
- Image deformation (warping, stretching, or shadows)
- Light attenuation / reduced brightness
- Blurred or double images
Replacing your old reflective prism with this genuine Optoma spare part resolves these cascade failures and restores your projector to likeโnew condition.
Installation Guide for Optoma EH7700 Reflective Mirror
Replacing the reflective mirror requires disassembling the projector’s optical engine. Professional installation is strongly recommended if you are not experienced with projector optics.
The mirror is a precision component โ improper handling may damage the reflective coating or cause misalignment.
Important Note: Handle the mirror by its edges only. Do not touch the reflective surface. Use lintโfree gloves and avoid dust exposure. Clean only with approved optical cleaning methods.
Why Choose a Genuine Optoma Reflective Mirror?
Using authentic Optoma replacement parts ensures proper optical alignment, thermal stability, and longโterm reliability. Counterfeit or generic mirrors may have incorrect dimensions, poor coating quality, or inadequate thermal resistance, leading to premature failure or image degradation. Our part is sourced from the original OEM supply chain.
Package Contents & Warranty
- Includes: 1 ร Optoma EH7700 triangular reflective mirror (square corner 14mm), antiโstatic protective packaging
- Warranty: 12โmonth replacement warranty against defects
- Returns: Free replacement if defective or damaged during transit (photo evidence required, terms apply)
Shipping & Customer Support
- Processing Time: Ships within 24โ72 hours
- Delivery: Worldwide tracked shipping available (14 days to most countries)
- Packaging: Secure, shockproof, and antiโstatic protection
- Damage Protection: Free replacement if damaged during transit (photo evidence required)
- Technical Support: Installation guidance available via email
โ Order your genuine Optoma EH7700 reflective mirror today and restore your projectorโs image quality!




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