PTZOptics Link 4K 20x PTZ Camera

Product Overview

The PTZOptics Link 4K 20x PTZ camera delivers 4K resolution at 60fps with 20x optical zoom and Dante AV-H integration, making it a strong fit for mid-to-large conference rooms, corporate all-hands spaces, and Dante-networked production facilities. Simultaneous outputs over 3G-SDI, HDMI 2.0, USB, and IP streaming protocols allow the camera to serve multiple signal destinations from a single unit. Built-in Presenter-Lock auto-tracking follows subjects up to 250 feet, reducing the need for dedicated camera operators in live event and conferencing environments.

Product Description

The PTZOptics Link 4K 20x (PT20X-LINK-4K-GY) uses a 1/1.8-inch Sony CMOS sensor with 8.42 effective megapixels and a 20x optical zoom lens (f = 6.25mm ~ 125mm) to deliver broadcast-quality 4K imagery suitable for corporate productions, higher education lecture capture, and government AV deployments. The camera outputs 4K@60fps over HDMI 2.0 while simultaneously providing 3G-SDI at 1080p, USB 2.0 for local capture, and IP streaming via RTSP, RTMP, and SRT for flexible signal distribution. Dante AV-H support integrates the camera directly into Dante-networked facilities, handling audio and video routing through a single platform with automatic clock synchronization. VISCA over IP control enables integration with OBS, vMix, Wirecast, Tricaster, mimoLive, and the Elgato StreamDeck, giving AV engineers and operators a wide range of production tools without additional middleware. The built-in Presenter-Lock auto-tracking system can track a specific individual up to 250 feet across a stage or presentation space, distinguishing the target from other people in the frame. PoE+ (802.3at) power support simplifies installation by delivering both data and power over a single CAT cable to the mount location. With 255 preset positions at 0.1-degree accuracy, the camera integrates into multi-camera productions requiring repeatable shot recall. The HETMA-approved design and NDAA 2019 Section 889 compliance make it a suitable choice for higher education and government procurement programs. A 5-year limited parts and labor warranty provides long-term investment protection for permanent installations.

Key Features

• 20x Optical Zoom with 4K@60fps — 1/1.8-inch Sony CMOS sensor captures 8.42MP effective pixels at full 4K resolution up to 60 frames per second.
• Dante AV-H Integration — Routes audio and video over a single network in Dante-enabled facilities with automatic synchronization to the Dante clock leader.
• Multi-Output: 3G-SDI, HDMI 2.0, USB, IP — Simultaneous outputs support SDI infrastructure, software production, USB capture, and IP streaming without additional hardware.
• Auto-Tracking up to 250 Feet — Presenter-Lock system identifies and follows a specific subject across large spaces, even when others are present in the frame.
• PoE+ (802.3at) — Powers the camera over a single Ethernet cable, eliminating separate power wiring in ceiling and wall installations.
• IP Streaming via RTSP, RTMP, SRT — Supports direct streaming to CDN platforms and low-latency SRT transport for remote production.
• 255 Preset Positions — 0.1-degree accuracy for repeatable multi-camera positioning in live event and broadcast environments.
• VISCA over IP Control — Compatible with major production software and hardware controllers including OBS, vMix, and PTZOptics joystick controllers.
• 3.5mm Audio In/Out with Dante — Accepts analog audio and transmits two-channel Dante audio over the network; receives Dante audio to the 3.5mm output.
• 5-Year Limited Warranty — Parts and labor coverage for the full deployment lifecycle of a professional AV installation.
• HETMA Approved and NDAA Compliant — Validated for higher education deployments and eligible for government procurement.

Typical Applications

• Conference room
• Boardroom
• Auditorium
• House of worship
• Government space
• Training room

Technical Specifications

Frequently Asked Questions

Q: Why choose the 20x over the 12x or 30x Link 4K?

A: The 20x is the best balance of zoom range and field of view for most commercial AV applications. It covers medium-to-large rooms and stages effectively, tracking subjects up to 250 feet. The 12x is suited to smaller spaces, while the 30x is best for very large venues where extreme reach is needed.

Q: Is the Link 4K 20x compatible with Zoom or Microsoft Teams?

A: Yes. The camera can be used as a USB camera source via its USB 2.0 output, making it compatible with Zoom, Microsoft Teams, Google Meet, and other video conferencing platforms. IP control through VISCA over IP also enables far-end PTZ control in Zoom.

Q: Does Dante AV-H require a special network switch?

A: Dante AV-H works on standard Gigabit Ethernet switches. For best performance in multi-device Dante environments, a managed switch with QoS (Quality of Service) configured for audio traffic is recommended, but it is not required for basic deployments.

Q: What is HETMA approval and why does it matter?

A: HETMA (Higher Education Technology Managers Alliance) evaluates AV products against standards relevant to higher education deployments. HETMA approval means the Link 4K 20x has been independently reviewed and validated for use in college and university environments, reducing procurement risk.

Q: Can I control the Link 4K 20x with a hardware joystick?

A: Yes. The camera is compatible with the PTZOptics SuperJoy, PT-JOY-G4 (IP and serial), and HC-JOY-G4 (serial) joystick controllers. It also supports RS-232 and RS-485 serial control using VISCA, PELCO-D, and PELCO-P protocols.

Q: What are the IP streaming options?

A: The Link 4K 20x supports RTSP, RTMP, and SRT streaming over IP through the built-in Gigabit Ethernet port. SRT (Secure Reliable Transport) provides low-latency, error-corrected streaming for remote production over public internet connections.

Q: How does the automatic video inversion feature work?

A: The camera detects its physical orientation automatically when mounted in an inverted position (upside-down on a ceiling mount) and flips the video output accordingly. This eliminates the need to manually configure image flip settings during installation.