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Alfatron ALF-25X-4KNDI 4K PTZ Camera with 25x Optical Zoom, NDI HX3 and AI Auto Tracking - Black

Part #:
ALF-25X-4KNDI
Model #:
ALF-25X-4KNDI
MSRP: $2,399.00
$2,299.00
Availability: Usually arrives in 5-9 business days. Please be aware that global supply shortages outside our control may interfere with our normal delivery times and product availability. For more information, email sales@proacoustics.com or call us at 888-256-4112.
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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.

Description

Alfatron ALF-25X-4KNDI 4K PTZ Camera with 25x Optical Zoom (Black)

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.

Features

  • Sony CMOS sensor with resolution up to 4K at frame rates up to 60fps
  • USB supports simultaneous main stream and sub stream output for near-end and far-end applications
  • 25x optical zoom lens with a 59.2° wide-angle field of view
  • Interfaces: Supports HDMI, USB 2.0, SDI, LAN, NDI|HX3, and simultaneous 4K audio and video output
  • Fast, accurate, and stable autofocus performance
  • Built-in high-speed processor and advanced image processing and analysis algorithms support real-time tracking and zone tracking modes
  • Low-noise CMOS imaging and advanced 2D and 3D noise reduction technology help maintain high image clarity
  • LAN interface supports H.264 and H.265 video compression; USB 3.0 interface supports MJPG, H.264, YUY2, NV12, and H.265; A-IN interface supports AAC, MP3, and G.711A audio compression
  • Supports 8000, 16000, 32000, 44100, and 48000 sampling frequencies, with AAC, MP3, and G.711A audio compression
  • Supports ONVIF, GB/T28181, RTSP, and RTMP protocols, RTMP push mode for streaming servers such as Wowza and FMS, RTP multicast mode, and full network command VISCA control protocol
  • RS-422 input compatible with RS-485, RS-232 input and output, and RS-232 cascade connection
  • Supports VISCA, PELCO-D, and PELCO-P protocols, with automatic protocol identification
  • Up to 255 presets, including 10 presets accessible via the remote control
  • Online education, lecture capture, webcasting, video conferencing, telemedicine, unified communication, and emergency command and control systems
  • Black finish
  • 7-Year limited warranty + 3 additional years with registration

Specifications

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)

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