CineTreak CT-PT31K 3G NDI

The CineTreak CT-PT31K NDI 4K PTZ Camera

The CineTreak CT-PT31K NDI 4K PTZ Camera is a professional-grade pan-tilt-zoom broadcasting camera featuring a 1/1.8" Sony CMOS sensor and powerful 31x optical zoom. Designed for live production, conferencing, and streaming, it delivers UHD 4K60 video output with simultaneous HDMI, 3G-SDI, USB, and NDI HX3/IP streaming support. With advanced AI human tracking, 255 presets, and multi-protocol control, it offers a complete, flexible solution for modern broadcast and AV environments.

High-Performance Imaging

The CineTreak CT-PT31K NDI 4K PTZ Camera is a high-performance professional imaging solution built for studios, houses of worship, education, live events, and remote production workflows. Equipped with a large 1/1.8-inch Sony CMOS sensor and 8.42MP resolution, it delivers exceptional image clarity, accurate color reproduction, and strong low-light performance.

Optical Zoom and Video Output

Its powerful 31x optical zoom lens (with 8x digital zoom) enables precise framing from wide-angle room coverage to detailed close-up shots, making it ideal for flexible multi-camera setups without physical repositioning. The camera supports UHD 4K resolution up to 60fps, with simultaneous output across HDMI 2.0, 3G-SDI, USB 3.0, and IP/NDI HX3 streaming interfaces, ensuring seamless integration into professional broadcast and streaming ecosystems.

AI Human Tracking and Presets

Advanced AI human tracking intelligently detects and follows subjects in real time, keeping presenters centered and in focus—ideal for solo operators or automated production environments. With support for up to 255 presets, users can predefine camera positions for fast switching between scenes or subjects.

Streaming and Control Protocols

The CT-PT31K supports a wide range of professional streaming and control protocols including NDI HX3, RTMP, RTSP, RTMPS, SRT, ONVIF, VISCA, VISCA over IP, and Pelco D/P, ensuring compatibility with virtually any modern production system. Audio integration is supported via a 3.5mm stereo input and embedded audio over all major outputs.

Installation Flexibility

Built for installation flexibility, the camera supports PoE (Power over Ethernet) for simplified cabling, or a traditional 12V DC power supply. Its robust PTZ mechanism provides smooth 170° pan and 120° tilt movement with variable speeds for precise control in live production environments.

Key Features

• 1/1.8" Sony CMOS sensor (8.42MP)
• UHD 4K video up to 60fps
• 31x optical zoom + 8x digital zoom
• Simultaneous HDMI, SDI, USB, and NDI HX3/IP output
• Advanced AI human tracking system
• Supports RTMP, RTSP, RTMPS, SRT, ONVIF
• VISCA, VISCA over IP, RS-232/422/485 control
• 255 programmable camera presets
• 3.5mm stereo audio input with embedded audio support
• PoE (802.3af) and DC power support
• Advanced 3D noise reduction for clean imaging
• Smooth PTZ movement (170° pan / 120° tilt)

Included Accessories

• 1 × CineTreak CT-PT31K NDI 4K PTZ Camera
• 1 × Power Adapter
• 1 × Mounting Accessories (standard kit)
• 1 × User Documentation

Specifications

• Brand: CineTreak
• Model: CT-PT31K
• Image Sensor: 1/1.8" Sony CMOS
• Resolution: 8.42MP
• Max Output Resolution: UHD 4K (3840 × 2160) at 60fps
• Optical Zoom: 31x
• Digital Zoom: 8x
• Lens Focal Length: 6.91–214.64mm
• Field of View: 60° to 1.98°
• Video Outputs: HDMI 2.0, 3G-SDI, USB-B, NDI/IP (RJ45)
• Streaming Protocols: NDI HX3, RTMP, RTSP, RTMPS, SRT
• Control Protocols: VISCA, VISCA over IP, RS-232/422/485, Pelco D/P
• Presets: 255
• Audio Input: 3.5mm stereo
• Power: PoE (802.3af) or 12V DC
• Power Consumption: 18W
• Dimensions: 164 × 236 × 188 mm
• Weight: 2 kg (body only)