English
BB049
High-Definition display
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The BB049 module sets a new standard for Birdbath Near-Eye Displays. Key features include:
Immersive Visuals: A wide 41° diagonal Field of View combined with 1920x1080 FHD resolution ensures sharp, expansive augmented reality content.
Custom Comfort: Integrated 0D to 5D Diopter Adjustment allows users with vision variation to use the device without prescription lenses, significantly enhancing user experience.
High Clarity & Brightness: Achieves up to 1800 nits of screen brightness, ensuring excellent visibility for the see-through display, even in varying ambient light conditions.
Lightweight Design: Utilizing all-plastic optical lenses and a compact Birdbath structure, the module is engineered for low weight and comfortable long-term wear in AR headsets.
The BB049 is designed for straightforward integration into commercial AR/MR platforms. Its precise binocular combination tolerances (Δ X/Δ Y ≤0.67°) guarantee minimal visual fatigue and superior spatial alignment, critical for professional-grade near-eye devices. Quality and reliability are ensured through rigorous testing procedures, meeting industry standards for optical performance and mechanical stability.
Augmented Reality (AR) Headsets
Mixed Reality (MR) Devices
Professional Near-Eye Display Systems (e.g., medical, industrial maintenance)
Virtual Training and Simulation Hardware
Next-Generation Consumer Smart Glasses

The BB049 module sets a new standard for Birdbath Near-Eye Displays. Key features include:
Immersive Visuals: A wide 41° diagonal Field of View combined with 1920x1080 FHD resolution ensures sharp, expansive augmented reality content.
Custom Comfort: Integrated 0D to 5D Diopter Adjustment allows users with vision variation to use the device without prescription lenses, significantly enhancing user experience.
High Clarity & Brightness: Achieves up to 1800 nits of screen brightness, ensuring excellent visibility for the see-through display, even in varying ambient light conditions.
Lightweight Design: Utilizing all-plastic optical lenses and a compact Birdbath structure, the module is engineered for low weight and comfortable long-term wear in AR headsets.
The BB049 is designed for straightforward integration into commercial AR/MR platforms. Its precise binocular combination tolerances (Δ X/Δ Y ≤0.67°) guarantee minimal visual fatigue and superior spatial alignment, critical for professional-grade near-eye devices. Quality and reliability are ensured through rigorous testing procedures, meeting industry standards for optical performance and mechanical stability.
Augmented Reality (AR) Headsets
Mixed Reality (MR) Devices
Professional Near-Eye Display Systems (e.g., medical, industrial maintenance)
Virtual Training and Simulation Hardware
Next-Generation Consumer Smart Glasses

Item | Parameter | Min. | Typ. | Max. | Unit |
Angle of View Note1 | Diagonal field of view Angle | 41 | Degree | ||
△ Diagonal Angle of view | 1.5 | Degree | |||
Binocular difference in | (@-1D) | 0.5 | Degree | ||
TV distortion Note3 | (@-1D) | 1% | |||
Modulation transfer function (CTF) | Center CTF@4ppl (@-1D) | 0.4 | 0.5 | ||
Edge CTF@4ppl (@- 1D) | 0.2 | 0.3 | |||
Binocular combination Note5 | △X (@-1D) | 0.67 | 0 | 0.67 | Degree |
△Y (@-1D) | 0.67 | 0 | 0.67 | Degree | |
△Rotation (@-1D) | 0.67 | 0 | 0.67 | Degree | |
Diopter Note6 | Limit diopter 1 | 0.75 D | 0.25 D | + 0.25 D | |
Limit diopter 2 | -5D | ||||
transmittance Note7 | 15% | ||||
Diopter to adjust torque | 60 | gf*cm |
Item | Parameter | Min. | Typ. | Max. | Unit |
Angle of View Note1 | Diagonal field of view Angle | 41 | Degree | ||
△ Diagonal Angle of view | 1.5 | Degree | |||
Binocular difference in | (@-1D) | 0.5 | Degree | ||
TV distortion Note3 | (@-1D) | 1% | |||
Modulation transfer function (CTF) | Center CTF@4ppl (@-1D) | 0.4 | 0.5 | ||
Edge CTF@4ppl (@- 1D) | 0.2 | 0.3 | |||
Binocular combination Note5 | △X (@-1D) | 0.67 | 0 | 0.67 | Degree |
△Y (@-1D) | 0.67 | 0 | 0.67 | Degree | |
△Rotation (@-1D) | 0.67 | 0 | 0.67 | Degree | |
Diopter Note6 | Limit diopter 1 | 0.75 D | 0.25 D | + 0.25 D | |
Limit diopter 2 | -5D | ||||
transmittance Note7 | 15% | ||||
Diopter to adjust torque | 60 | gf*cm |
Q: What is the purpose of the BB049 Birdbath Optical Module?
A: The BB049 is a see-through digital optical module designed to provide a high-quality display for Near-Eye Display (NED) systems, primarily used in Augmented Reality (AR) and Mixed Reality (MR) headsets.
Q: What is the maximum resolution and Field of View (FoV) of the BB049?
A: The module offers a monocular resolution of 1920x1080 (FHD) and provides a wide 41° diagonal Field of View (FoV), delivering an immersive visual experience.
Q: Can the diopter be adjusted on the BB049?
A: Yes, the BB049 features an adjustable diopter range of 0D to 5D, allowing users to customize the focus without needing to wear separate corrective lenses.
Q: What display technology does the 0.49-inch screen use?
A: The display utilizes high-performance 0.49-inch Silicon-based OLED (Micro-OLED) screens, which are essential for achieving the module's high resolution and bright output (up to 1800 nits screen brightness) in a compact form factor.
Q: What is the purpose of the BB049 Birdbath Optical Module?
A: The BB049 is a see-through digital optical module designed to provide a high-quality display for Near-Eye Display (NED) systems, primarily used in Augmented Reality (AR) and Mixed Reality (MR) headsets.
Q: What is the maximum resolution and Field of View (FoV) of the BB049?
A: The module offers a monocular resolution of 1920x1080 (FHD) and provides a wide 41° diagonal Field of View (FoV), delivering an immersive visual experience.
Q: Can the diopter be adjusted on the BB049?
A: Yes, the BB049 features an adjustable diopter range of 0D to 5D, allowing users to customize the focus without needing to wear separate corrective lenses.
Q: What display technology does the 0.49-inch screen use?
A: The display utilizes high-performance 0.49-inch Silicon-based OLED (Micro-OLED) screens, which are essential for achieving the module's high resolution and bright output (up to 1800 nits screen brightness) in a compact form factor.
