Alfatron ALF-25X-4KCAM 4K USB PTZ Camera with USB, 25x Optical Zoom and AI Auto Tracking - Black
Usually arrives in 5-9 business days.
The Alfatron ALF-25X-4KNDI is a black 4K PTZ camera designed for meeting rooms, boardrooms, conference venues, and houses of worship. It features a 25x optical zoom lens, NDI|HX3 connectivity, AI-powered auto-tracking, and 4K video at up to 60 fps, with HDMI, SDI, USB 2.0, and PoE network connectivity.
The ALF-25X-4KNDI is a 4K PTZ camera equipped with a 25x optical zoom lens and an advanced high-speed processor featuring AI-powered auto-tracking and NDI|HX3. This PTZ camera is suitable for medium- to large-sized meeting rooms, boardrooms, conference venues, and houses of worship. The Alfatron ALF-25X-4KNDI is compatible with video meeting software such as Zoom and Microsoft Teams. It features a Sony CMOS sensor with resolution up to 4K at frame rates up to 60fps, delivering high-quality video for professional conferencing and streaming applications.
The camera supports simultaneous main stream and sub stream output via USB and features HDMI, USB 2.0, SDI, LAN with PoE, audio input, RS-232 input and output, and RS-422 connectivity. Its AI-powered auto tracking supports real-time and zone tracking modes, while fast, accurate autofocus helps maintain clear images. Low-noise CMOS imaging and advanced 2D and 3D noise reduction further support image clarity.
Supports multiple audio and video compression formats, network protocols, and control protocols, including ONVIF, RTSP, RTMP, VISCA, PELCO-D, and PELCO-P. It offers up to 255 presets, with 10 presets accessible via the remote control. Finished in black, the camera includes a wall or shelf-mount bracket and an IR remote control.
Most Alfatron products come with a 7-year limited warranty. Register your product with Alfatron to receive an additional 3-year extended warranty on eligible products, for 10 years of total coverage.
| Optical Zoom | 25x f=7.1 mm~175.11 mm ±5% |
|---|---|
| View Angle | Horizontal: 2.5˚(N)~ 59.2˚(W) Vertical: 1. 4˚(N)~ 34.6(W) |
| AV | F1.61(Wide) ~F5.15(Tele) ±5% |
| Sensor | 1/1.8 inch SONY CMOS sensor |
| Effective Pixels | 8.51M pixels 16:9 |
| Video Format | HDMI: 3840x2160 P60 / 50 / 25 / 59.94 / 29.97;1080P60 / 50 / 25 / 59.94 / 29.97; 1080 I60 / 50 / 59.94; 1080P @ 30 fps, 720P @ 60 fps, 720P @ 50 fps, 720 P60 / 50 / 59.94 SDI: 1080 P60 / 50 / 25 / 59.94 / 29.97; 1080 I60 / 50 / 59.94; 1080P @ 30 fps, 720P @ 60 fps, 720P @ 50 fps, 720 P60 / 50 / 59.94, USB 2.0 MJPG: 1920x1080 / 1600x896 / 1280x720 / 1024x576 / 960x540 / 800x600 / 800x448 / 720x576 / 720x480 / 640x480 / 640x360 / 480x270 / 352x288 / 320x240 P60 / 50 / 30 / 25; 3840x2160 P30 H264: 1920x1080 / 1600x896 / 1280x720 / 1024x576 / 960x540 / 800x600 / 800x448 / 720x576 / 720x480 / 640x480 / 640x360 / 480x270 / 352x288 / 320x240 P60 / 50 / 30 / 25 3840x2160 P30 YUY2:640x480 /640x360 /480x270 /320x180 P30/25 NV12: 640x480 /640x360 /480x270 /320x180 P30/25 |
| Minimum Illumination | 0.5 Lux (F1.8, AGC ON) |
| DNR | 3D DNR |
| White Balance | Auto / Manual / One Push / Specified Temperature |
| Focus | Auto / Manual / One Push Focus |
| Exposure Mode | Auto / Manual / Shutter priority / Aperture priority / brightness priority |
| Aperture | F1.8 ~ F11 CLOSE |
| Shutter Speed | 1/25~1/10000 |
| BLC | ON / OFF |
| WDR | OFF / Dynamic level adjustment |
| SNR | ≥50 dB |
| Video Adjustment | Brightness, Color, Saturation, Contrast, Sharpness, B/W mode, Gamma curve |
| Video Interfaces | HDMI, SDI, LAN (Support POE), USB 2.0, A-IN, RS232-IN, RS232 OUT, RS422 (Compatible with RS485), Rotary DIP switch, DC12V Power Supply, Power Switch |
| Video Compression Format | LAN Interface: H.264, H.265 USB 2.0 Interface: MJPG, H264, YUY2, NV12 |
| Audio Input Interface | Double-track 3.5 mm linear input |
| Audio Output Interface | HDMI, LAN, USB 2.0 |
| Audio Compression Format | AAC, MP3, G.711A |
| Network Interface | 10M / 100M / 1000M adaptive Ethernet port, supports POE power supply, supports audio and video output |
| Network Protocols | RTSP, RTMP, ONVIF, GB/T28181; Network VISCA control protocol: Supports remote upgrade, reboot, and reset |
| Control Interface | RS232-IN, RS232-OUT, RS422 compatible with RS485 |
| Serial Communication Protocol | VISCA / Pelco-D / Pelco-P Baud Rate: 115200 / 38400 / 9600 / 4800 / 2400 |
| USB Communication Protocol | UVC (Video), UAC (Audio) |
| Power Interface | HEC3800 outlet (DC12V) |
| Supply Adapter | AC110V~AC220V to DC12V/2.5A |
| Input Voltage | DC12V±10% |
| Input Current | <1A |
| Power Consumption | <12W |
| Pan Rotation | -110°~+110° |
| Tilt Rotation | -30°~+30° |
| Pan Control Speed | 0.1°/s ~100°/s |
| Tilt Control Speed | 0.1°/s ~70°/s |
| Preset Speed | Pan: 78.8°/s, Tilt: 31.7°/s |
| Preset Number | 255 presets (10 presets via remote control) |
| Stored Temperature | -10°C~+60°C |
| Storage Humidity | 20%~95% |
| Working Temperature | -10°C~+50°C |
| Working Humidity | 20%~80% |
| Application | Indoor |
| Accessory Package | Power Supply, RS232 Control Cable, USB 2.0 Cable, IR Remote Control, User Manual, Warranty Card |
| Optional Accessories | Ceiling/Wall Mount |
| Dimensions (H x W x L) | 6.26" (159 mm) x 5.67" (144 mm) x 8.66" (220 mm) |
| Weight | 3.75 lbs (1.7 kg) |
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.