| ชื่อแบรนด์: | XinZengCai |
| เลขรุ่น: | 873ล |
| ขั้นต่ำ: | 1,000 |
| ราคา: | USD 16.33~16.95/pieces |
| ระยะเวลาการจัดส่ง: | 30 วันทำการ |
| เงื่อนไขการจ่ายเงิน: | ที/ที |
The modern landscape of personalized online education requires visual hardware that establishes a genuine connection between tutor and student. The 873L is explicitly designed as a premium desktop PC webcam for one-on-one language educators and remote academic tutors. At the optical center of this powerful device sits the highly capable IMX260 image sensor. Featuring a 1/2.5-inch format, this component works symbiotically with a remarkable F1.7 large aperture lens. This specific optical combination absorbs maximum ambient light, allowing educators to project a warm, bright, and professional image even if their home study room utilizes soft or uneven lighting.
Delivering flawless visual details is critical for effective remote instruction. This camera provides true 4K Ultra High Definition resolution, capturing the teaching environment at an impressive 4000 by 3000 pixels. This extreme clarity allows students to clearly see the tutor's facial expressions and precise mouth movements, which is absolutely essential for language pronunciation coaching. For interactive teaching scenarios where fluidity is paramount, the hardware seamlessly shifts to a high-speed 1080P mode running at 60 frames per second. This versatility ensures the visual output remains perfectly optimized for any specific educational requirement.
Maintaining sharp focus during dynamic lessons is managed flawlessly by Phase Detection Auto Focus technology. Conventional webcams often struggle with severe focus lag when a teacher holds a flashcard or a physical prop up to the lens, disrupting the learning experience. The advanced PDAF system completely eradicates this frustration by calculating depth instantly at the hardware level. When you present an educational object to the camera, the lens locks focus within milliseconds. This instantaneous, seamless adjustment adds a highly polished, professional quality to your virtual classroom, keeping the student fully engaged.
A highly beneficial feature for home educators is the carefully calibrated 77-degree optical field of view. Unlike ultra-wide lenses that capture distracting bedroom backgrounds, this narrower angle provides a tight, professional frame that focuses entirely on the tutor. Furthermore, the device utilizes a universally compatible USB 2.0 connection. Impressively, it operates on a minimal 190mA working current. This exceptional power efficiency ensures the camera will not rapidly drain your laptop battery or overheat during marathon back-to-back teaching schedules, providing highly reliable performance for demanding independent educators.
Clear vocal transmission is the cornerstone of any productive educational session. The hardware addresses this with a built-in dual stereo microphone array equipped with active noise-cancellation processing. Home teaching environments frequently contend with unpredictable background sounds, such as street traffic or household activities. This sophisticated audio system intelligently suppresses these distracting ambient frequencies, isolating the tutor's voice for crystal-clear transmission. This ensures that every pronunciation correction and grammatical explanation is heard accurately by the student, effectively replacing the need for cumbersome external headsets.
Integrating this camera into your digital teaching workflow is incredibly straightforward due to its pure plug-and-play architecture. The hardware requires absolutely no proprietary software drivers to operate, ensuring immediate recognition across all major operating systems, including Windows, macOS, and Linux. It functions natively and flawlessly right out of the box with dominant educational communication platforms like Zoom, Skype, and specialized virtual classroom software. Designed to elevate the remote tutoring experience, this device provides a comprehensive, highly reliable, and privacy-focused visual capture solution for modern educators.
| Items | Parameters |
| Model | 873L |
| CPU | 7608 |
| Sensor | IMX260 Module |
| Lens Size | 1/2.5 Inch |
| Most Effective Pixels | 4000(H) × 3000(V) |
| Data Format | YUY2 / MJPEG |
| Pixel Size | 1.4μm * 1.4μm |
| Dynamic Range | 70dB |
| Lens Details | Focal Length: 4.25, F Number: 1.7, FOV: 77˚±1˚, Composition: 6P |
| Focusing System | PDAF (Phase Detection Auto Focus) |
| Frame Rate Capacity | 4K@30fps, 1080P@60fps |
| Audio Hardware | Dual Stereo Noise-Reduction MIC |
| Input Voltage | DC5V |
| Working Current | 190mA |
| Connection Interface | USB 2.0 |
| Working Temperature | 0 to 60 Celsius |
| Storage Temperature | -30 to 85 Celsius |
| System Compatibility | Windows 7/8/10/11, Mac OS, Linux, Android, Ubuntu |