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FoMaKo K820S 12G-SDI 4K 60FPS NDI PTZ Camera,Support Freed,20X Optical Zoom,4KP60 AI Tracking, 1/1.8 UHD CMOS 8.42MP HDMI USB3.0 3G-SDI, 12G SDI PTZ Camera for Church (NDI 6 & NDI HX3 Certified)
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FoMaKo Live Streaming System
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3 Years Long Warranty
Professional After-sales Support
FoMaKo
K820S
The K820S is a broadcast-grade 4K PTZ camera that supports simultaneous 4K 60fps ultra HD signal output via 12G-SDI, HDMI, NDI, and USB interfaces.

12G-SDI
FoMaKo K820S 4K PTZ Camera, featuring 4K@60fps, AI tracking, 20x optical zoom, NDI|HX3, 12G-SDI and more, is ideal for high-definition live streaming in scenarios like churches.
3 years Wanrranty

4K 60FPS
FoMaKo K820S 4K PTZ Camera, equipped with high-tech SOC and 4K CMOS, supports 4K@60fps and multiple frame rate outputs, delivering clearer and smoother video for professional live streaming and recording.

NDI HX3
FoMaKo K820S 4K PTZ Camera features NDI|HX3 technology, offering low latency, high compression ratio and excellent compatibility, ideal for professional live streaming and remote production in various scenarios.

AI Auto Tracking
FoMaKo K820S 4K PTZ Camera features AI humanoid auto-tracking, which seamlessly follows every movement of the subject with advanced algorithms and automatically retracks the target once it reappears after exiting the frame.

4CH 4K 60FPS Video Out
FoMaKo K820S 4K PTZ Camera features a professional broadcast-grade 12G-SDI interface (12Gbit/s transmission rate, backward compatible with 3G/HD/SD-SDI), and supports simultaneous 4K@60fps output via HDMI 2.0, USB 3.0, and LAN(NDI) interfaces.

Supports FreeD
FoMaKo K820S 4K PTZ Camera supports FreeD protocol, enabling accurate PTZ data capture and seamless integration with VR/AR virtual studios and most mainstream virtual reality platforms.

Multiple Application Scenarios
FoMaKo K820S 4K PTZ Camera is specially designed for 4K live recording, ideal for professional scenarios including church live streaming, studio recording, concert live streaming and large conferences.
Tech Specs
Description
- 【 FoMaKo 12G-SDI 4K 60FPS PTZ Camera 】. FoMaKo K820S use Low power and high-performance Ambarella 4KP60(4K 60FPS) AI vision chip, More Stronger and smoother ability to handle 4K videos. 1/1.8-inch high-quality UHD CMOS sensor. Effective pixels: 8.42 Megapixels. Supports 12G-SDI, HDMI 2.0 interface and Output 4K (3840x2160) at 60fps(4KP60) Uncompressed Ultra High Definition Profession Video, Made for Church Worship Live Services Live studio, Events. PoE supported.( K820S: NDI License Included.)
- 【 Advanced AI Auto-Tracking Gen 3 Version 】. FoMaKo third-generation AI Tracking enables more customized tracking features, such as you can adjust the tracking modes, tracking sensitivity, figure size, AI-Track Speed, Horizontal tracking only,character position,lost target action, etc. simply press F3 on the remote control to turn on AI Auto tracking and Press the left and right buttons on the remote control to switch tracking target.
- 【 4K NDI PTZ Camera 】. NDI | HX3, NDI | HX2 Supported (NDI License Included, Officially Approved by Newtek Inc). Low latency. Support plug and play, which is convenient for project implementation and deployment. More stable, better video quality through NDI flow, even under low bandwidth network (NDI HX3 Supported). Tips: Support ultra long distance remote control, Max 50 meters .
- 【 FoMaKo FreeD PTZ camera 4K60 】.FoMaKo FreeD cameras deliver real-time, high-precision 3D spatial tracking (e.g., camera position, angle, and lens data), enabling seamless virtual/augmented integration in live sports, broadcasting, and digital production. Precise motion tracking for immersive real-time applications. FoMaKo FreeD PTZ camera system uses benchmark-setting technology for real-time 3D tracking and live sports production.
- 【 12G-SDI 4KP60 with Multiple Video Output Interfaces 】. Simultaneous 12G-SDI,NDI/LAN, USB3.0 Type-C, and HDMI 2.0, four channels video output.12-SDI: 4KP60, 4KP59.94, 4KP50,4KP30,1080P60,1080I60,1080I50, etc. HDMI: 4KP60, 4KP59.94, 4KP50,4KP30,1080P60,1080I60,1080I50, etc. USB3.0: 4KP30,1080P60 etc. LAN:4KP60,1080P60, etc. supports broadcast rate and covered 1080P, 720P resolutions.
- 【 3-Year Limited Warranty 】 - Shop with confidence. 30-Day No-Questions-Asked Money-Back Guarantee. Risk-free purchase. Free Online Training - Get started easily. 24/7 Expert Assistance and - Responses within 24 hours (please include your Order ID). If necessary, we can provide remote assistance in setting up. Enjoy our lifetime customer technical support. Your satisfaction is our priority, we have got you covered!
- 【 20X optical zoom PTZ Camera with 16x Digital Zoom 】. The maximum field angle is 60 degree(FOV). Built-in gravity sensor and supports the automatic image flip function. The PoE (Power over Ethernet) feature allows you to only bring up a a single network cable to power, control and stream video/audio when using LAN slot.
K820S Features
▶ 1/1.8-inch high-quality UHD CMOS sensorUse 1/1.8-inch high-quality UHD CMOS sensor with a maximum of 8.42 million pixels can realize 4K (3840x2160) ultra-high-resolution high-quality images. And downward compatible with 1080P, 720P and other resolutions.
▶ 20x Optical Zoom LensEquipped with a 4K 8MP ultra-long focal lens, it offers 20x optical zoom and a maximum 60° field of view, effectively capturing both panoramic views and detailed close-ups.
▶ NDI|HX3 Low latency TransmissionFeatures low latency and plug-and-play functionality, supporting synchronized transmission of audio, video, and control commands, which simplifies deployment for network video applications.
▶ HDMI 2.0 Lossless OutputComes with an HDMI 2.0 interface that can directly output 4KP60 uncompressed digital video, preserving the original image quality for professional broadcasting and high-end production.
▶ Powerful AI TrackingUses chip AI power and advanced human recognition algorithms to enable automatic tracking of subjects in scenarios like education, meetings, and live shows, ensuring stable focus on key targets.
▶ 12G-SDI Long distance TransmissionSupports 2160P60 YUV422 10BIT video output, enabling stable long-distance transmission of 4K signals through a single cable to solve ultra-high-definition wiring issues.
▶ Multiple InterfacesSupports HDMI 2.0, 12G SDI, USB, and LAN interfaces, allowing simultaneous output of four HD digital signals to meet the needs of multi-device connection and signal distribution.
▶ Gravity Sensor Auto flipIntegrates a gravity sensor to support automatic image flipping, eliminating the need for manual adjustment of image orientation during engineering installation.
▶ Multiple Control MethodsCompatible with RS232, RS422/RS485, network, and USB control methods, it can automatically recognize protocols for seamless integration in various engineering environments.
▶ 3D Noise Reduction for Low LightApplies 3D noise reduction algorithms to maintain clear images even in ultra-low light conditions (SNR ≥55dB) by reducing noise in both high and low light environments.
Camera Parameters
Video Resolution: 4KP60, 4KP59.94, 4KP50, 4KP30, 4KP25, 4KP29.97, 1080P60, 1080P50, 1080I60, 1080I50, 1080P30, 1080P25, 1080P59.94, 1080I59.94, 1080P29.97, 720P60, 720P50, 720P59.94
Sensor: 1/1.8 inch, CMOS, Effective pixels: 8.42M
Scanning Mode: Progressive
Lens: 20x, f = 6.25mm ~ 125mm, F1.58 ~ F3.95
Digital Zoom: 16X
Minimum Illuminance: 0.5 Lux @ (F1.8, AGC ON)
Shutter: 1/30s ~ 1/10000s
White Balance: Auto, Indoor, Outdoor, One Push, Manual, VAR
Backlight Compensation: Support
Digital Noise Reduction: 3D Digital Noise Reduction
Video S/N: ≥55dB
HFOV: 60° ~ 3.5°
VFOV: 35.7° ~ 2.0°
Horizontal Rotation Range: ±162.5°
Vertical Rotation Range: -30° ~ +90°
Pan Speed Range: 1.8°/s ~ 80°/s
Tilt Speed Range: 1.5°/s ~ 49°/s
H & V Flip: Support
Image Freeze: Support
Number of Preset: 255
Preset Accuracy: 0.1°
Network Specifications
Video Compression: H.264/H.265/MJPEG
Video Stream: First Stream, Second Stream
First Stream Resolution: 3840x2160, 1920x1080, 1280x720, 1024x576, 720x480, 720x408, 640x480, 640x360
Second Stream Resolution: 720x480, 720x408, 640x480, 640x360, 480x320, 320x240
Video Bit Rate: 32kbps ~ 51200kbps
Bit Rate Type: CBR, VBR
Frame Rate: 50Hz: 1fps ~ 50fps, 60Hz: 1fps ~ 60fps
Audio Compression: AAC, G711A
Audio Bit Rate: 96Kbps, 128Kbps
Support Protocols: NDI|HX3, TCP/IP, HTTP, RTSP, RTMP/RTMPS, ONVIF, DHCP, SRT, Multicast
Input / Output Interface
HD Output:
HDMI Interface: 1 x HDMI: Version 2.0
12G - SDI Interface: 1 x 12G-SDI: BNC type, 800mVp-p, 75ff. Along to SMPTE 424M standard
Network Interface:
1 x LAN: 100M/1000M Adaptive Ethernet Port, support PoE +
Audio Interface:
1 x LINE IN: 3.5mm Audio Interface
USB Interface:
1 x USB: Type - C
Communication Interface:
1 x RS422/RS485: 4/2 pin phoenix port, Max Distance: 1200m, Protocol: VISCA/Pelco-D/Pelco-P
1 x RS232 IN: 8pin Min DIN, Max Distance: 30m, Protocol: VISCA/Pelco-D/Pelco-P
1 x RS232 OUT: 8pin Min DIN, Max Distance: 30m, Protocol: VISCA network use
Restore Button: Support
Power Interface: JETTA type (DC IN 12V)
Included in the Box

PTZ Camera

Remote Control

Power Adapter

Wall Mount

RS232 Cable

USB 3.0 Cable

User Manual
FAQs
Please read our FAQs page to find out more.
What is the maximum frame rate of this camera?
It supports up to 60fps.
Which signal sources support 4K 60fps?
12G-SDI, HDMI, NDI, USB and RTSP network streams all support up to 4K 60fps.
Does this camera support AI tracking?
Yes, it is equipped with FoMaKo 3rd-generation AI tracking algorithm for smoother tracking.
Does this camera support NDI HX3?
Yes, it supports NDI HX3, and you can enable/disable NDI HX3 via the web interface.
What PTZ control protocols does this camera support?
It supports Visca over IP, NDI, ONVIF, Visca, Pelco D/P and UVC PTZ control protocols.
How far can the 4K HDMI signal be transmitted?
With a standard HDMI cable, the maximum transmission distance is 30 meters;
With a FoMaKo fiber optic HDMI cable, it can transmit up to 300 meters with almost no latency.
Does this camera support PoE function?
Yes, it supports PoE+










