Portkeys PT5-III - 5.4-inch 4K HDMI Colour Grading Touchscreen Monitor

The Portkeys PT5-III is a compact and versatile 5.4-inch on-camera monitor designed for filmmakers and content creators who demand precision color monitoring and portability. Featuring a 1920 × 1152 touchscreen display with 800 cd/m² brightness and a 1000:1 contrast ratio, it delivers crisp, accurate visuals even in bright environments.

Equipped with 4K HDMI input and output, the PT5-III supports real-time monitoring for UHD workflows, while its MOVNORM OS offers a smooth and intuitive user experience with professional tools such as waveform, false color, histogram, and focus peaking.

You can import custom 3D LUTs via USB, ensuring consistent color grading across your projects. Power is flexible, with a USB-C input or Sony L-Series battery plate, providing reliable operation on set or in the field.

The monitor also includes a 3.5mm audio input, headphone jack, sunshade, and tilting shoe mount bracket, making it ready for professional use straight out of the box.

Product Features in Detail

5.4 Inch Field Monitor: Compact and Lightweight Design
The Portkeys PT5 III is a 5.4-inch on-camera monitor made out of ABS and polycarbonate that weighs only 154.5g/5.45oz and has dimensions of only 135.1 x 82.5 x 22mm. With such compact dimensions, this featherlight monitor will be at home on top of your camera, on your camera rig, or on a gimbal.

High-Resolution Display
This monitor has a 5.4-inch 8-bit touchscreen display that boasts a resolution of 1920 x 1152, a peak brightness of 800nits, a contrast ratio of 1000:1, and a wide 178° viewing angle.

Professional Monitoring Tools
Powered by MOVNORM OS, the Portkeys PT5 III is extremely easy to use and navigate. Furthermore, it comes with all the essential professional monitoring tools necessary for making accurate and assured decisions on set, such as:

- 3D LUT monitoring with 3D LUT HDMI output capabilities: you can load Custom LUTs via the USB-A port at the bottom of the monitor.
- Anamorphic image de-squeeze with all the standard ratios (1.33x, 1.5x, 2.0x) and the possibility to enter a custom aspect ratio from 0.25 to 4.0x.
- Stretch leg tool: when shooting vertically, you can stretch the bottom part of the image. The stretch leg tool feature can be sent to the HDMI output.
- Customizable False Color with 13 different colors, including ARRI False Color.
- RGB and Luma Waveform/Histogram exposure tools. There is also an adjustable Zebra tool.
- Image Capture and Image Overlay. Image Capture takes a snapshot of the HDMI video input (combined with a LUT if desired) and saves it to the monitor’s memory. Then, you can set the transparency/opacity of the Image Overlay. This feature is helpful for shot matching (continuity) or a quick overview of the day’s shots.
- The 360° color grader allows you to modify the Hue and Saturation of a chosen image section. You can accurately identify and isolate a particular color range within the image and adjust it.
- There is a built-in image flip, so you can position the monitor in your favorite position on your camera rig, no matter its orientation.
- Free rectangle cropping allows you to create a zoomed-in close-up shot inside your image. You can create multiple rectangle cropping presets to add dynamism to your live stream quickly and easily.
- The peaking function allows you to set a specific peaking range and zone that applies to only a part of the image. You can also zoom inside the image to help you easily nail focus.
- Framing tools: crosshair, check field, guides, grids, rectangle crop.
- Adjust your image’s contrast, sharpness, brightness, color temperature, and tint.
- Audio meters.
- Monitor adjustments: backlight, contrast, color temperature, sharpness, chroma, brightness, tint, HDR HLG, OSD Flip mode.

Connectivity Options with HDMI & USB-C
On the left side of the PT5 III is one HDMI video input port that supports resolutions up to 4K DCI at 30p, along with a 3.5mm headphone jack and a 3.5mm microphone input. The HDMI output port that supports resolutions up to 1080P60 is situated on the right side of the monitor. Above the HDMI output port is one USB-C port which can be used to power the monitor externally via a power bank or V-Mount/Gold Mount battery, for example.

Power and Connectivity for the PT5 III Camera Monitor
On the back of the Portkeys PT5 III is an integrated battery plate compatible with Sony NP-F style batteries. With a low power consumption of just 7W, a compact and lightweight Sony NP-F 550 battery can power the monitor for over two hours. For extended usage, you can connect the PT5 III to an external power source using its USB-C port. Additionally, there is a USB-A port located at the bottom of the monitor for performing firmware updates and uploading custom LUTs.

Flexible Mounting for Camera Rigs and Gimbals
The Portkeys PT5 III features two 1/4 “-20 mounting points on the bottom and right sides of the monitor equipped with locating pins for attaching it to your camera, camera rig, tripod, or gimbal.