The Portkeys LH5P III is a compact, rugged, and lightweight 5.7-inch on-camera monitor with wired/wireless camera control capabilities. This HDMI-only monitor is daylight-viewable with a maximum brightness of 2,200nits, it covers 104% P3 Color Gamut Area Ratio and the display is Calman calibrated with a DeltaE ≤ 1.1 in Rec.709 and a DeltaE ≤ 2.5 in P3. Powered by MOVNORM OS, the LH5P III features all the professional monitoring tools to make confident creative decisions on set.
Key features
- 5.7-inch panel with a resolution of 2160 x 1080 and a 1400:1 contrast ratio.
- Daylight-viewable with a maximum brightness of 2,200nits.
- 10-bit hardware processing with 104% P3 Color Gamut Area Ratio
- Factory Calman color-calibrated: DeltaE ≤ 1.1 in Rec.709 and DeltaE ≤ 2.5 in DCI-P3.
- 1 x HDMI input, 1 x HDMI output, 1 x 3.5mm audio output.
- Maximum input resolution: 4K DCI at 60p.
- Powered by Portkeys MOVNORM OS.
- Professional monitoring tools: RGB and Luma Waveform, Histogram, Zebra, Peaking, ARRI False Color.
- 3D LUT monitoring with 3D LUT HDMI output capabilities. Monitoring tools can be set before or after the 3D LUT.
- LogStops Exposure Tool: innovative exposure tool based on actual camera stop data.
- Four user-assignable function buttons.
- Wireless and wired camera control for most Sony, Canon, Nikon, Panasonic, and Blackmagic Design cameras.
- Touch focus frame and touch focus tracking (wireless) feature is available for select Sony cameras, including the FX3 and A7S III.
- One-to-many collaborative control system.
- Built-in Sony NP-F style battery plate and USB-C PD power input for external power.
- Lightweight and rugged aluminum housing: only 235g/8.29oz.
Compact On-Camera Monitor with Advanced Camera Control
The Portkeys LH5P III is a lightweight, fully featured on-camera monitor that brings our most advanced camera control system yet into a rugged, all-aluminum body. It features a daylight-viewable touchscreen, four custom function buttons, power and UI lock switches, a menu button with a navigation wheel, and a full suite of professional monitoring tools.
With a weight of only 235g/8.29oz (18% lighter than its predecessor) and a thickness of just 28.4mm/1.1in, the LH5P III is a slim, lightweight addition to your camera rig that still packs a serious set of features to make your life on set easier.
Daylight-Viewable 2200nits Display
The LH5P III has an upgraded maximum brightness of 2,200 nits, making it easy to shoot outside in full sunlight or in dimmed studios alike. The 10-bit hardware processing panel delivers more accurate color reproduction, with rich color detail, smoother gradations, and no color banding, covering 94.9% of P3-D65 and 97.7% of Rec.709. color spaces.
Every LH5P III display is individually factory color-calibrated using Calman tools, with a DeltaE ≤ 1.1 in Rec.709 and a DeltaE ≤ 2.5 in DCI-P3 right out of the box. The calibration reports can be retrieved from the Portkeys APP by entering the monitor’s serial number. Of course, you can always recalibrate your monitor over time if needed.
High-Resolution Camera Monitor Screen
The Portkeys LH5P III features a 5.7-inch touchscreen display with a 2160×1080 resolution and a 1400:1 contrast ratio, giving you more screen real estate and letting you place the navigation bar on the left or right while still viewing the entire image.
The monitor features one HDMI input and one HDMI output, conveniently located on the left side, that can take signals up to DCI 4K at 60 frames per second.
One-to-Many Multi-Camera Control
The Portkeys LH5P III supports our one-to-many collaborative control system, allowing users to manage and adjust the settings of multiple cameras from a single monitor. With this feature, the LH5P III can act as the active controller for up to four additional passive Portkeys monitors, LS7P, BM7II DS, LH7P, BM5IV WR, and LH5P III, within a range of 50m/164ft.
Each connected unit can then control its own paired camera wirelessly over Wi-Fi or via a wired connection (up to 7m/23ft), letting you adjust settings and focus across your entire multi-camera setup from one location, regardless of camera brand.
Camera Control Capabilities
The Portkeys LH5P III offers wired and wireless camera control, letting you change camera parameters directly from the monitor:
- Wireless and wired control for most Sony cameras, including the Sony FX3, FX30, FX6, FX5, A1, A7S III, A7R IV, A7R V, A7 IV, A7 V, and many more. You can adjust aperture, shutter speed, ISO, white balance, and other parameters directly from the monitor.
- Support for Canon EOS Cinema Cameras C50, C400, and C80, as well as mirrorless cameras such as the EOS R5II, R6, R6II, R6III, and R50V.
- Support for Panasonic S1, S1II, S1R, S5 II, and BGH1/BS1H-series cameras.
- Support for Nikon ZR, Z8, and Z9 mirrorless cameras.
- Support for the Blackmagic Design Pocket Cinema Camera 4K/6K.
- Touch focus frame and touch focus tracking, letting you lock onto a target and keep it sharp whether shooting moving or static subjects.
For wired camera control, the LH5P III comes with a 30cm two-in-one video and camera control cable that combines video and camera control into a single cable, with HDMI and USB-C connectors on the camera side and a single HDMI connector on the monitor side.
Professional Monitoring Tools
When it comes to monitoring your video signal, the Portkeys LH5P III has all the professional monitoring features you can expect from an on-camera monitor, including:
- 3D LUT monitoring with 17×17×17 precision and 3D LUT HDMI output. Load up to 20 custom LUTs via the USB-A port at the bottom of the monitor.
RGB and Luma Waveform, Luma Histogram, and Zebra tools for precise exposure monitoring. - Customizable False Color with 13 different colors, including ARRI False Color.
- Log Stops is our exclusive exposure tool that measures exposure using the camera’s real stop data by analyzing the camera’s LOG image output and mapping it to built-in profiles for RED, ARRI, Sony, Canon, Panasonic, FUJIFILM, Blackmagic Design, and Nikon cameras.
- Focus tools, including peaking and gesture zooming, to help you nail focus easily.
- Image overlay and image capture, useful for shot matching (continuity) or a quick review of the day’s shots.
- Framing tools: crosshair, check field, guides, grids, and rectangle crop.
Anamorphic image de-squeeze with 10 standard aspect ratios (including 1.33x, 1.5x, 1.8x, and 2.0x), plus custom ratios from 0.25x to 4.0x. - Audio meters.
- Monitor adjustments: backlight, contrast, color temperature, sharpness, chroma, brightness, tint, HDR/HLG, and image flip (H/V).
Power Options and Connectivity
At the back of the LH5P III, you’ll find a built-in Sony L-Series battery plate that can power the monitor for hours thanks to a low power draw of only 13W (over 2 hours from a small Sony NP-F550 battery).
A USB-C 3.0 PD power input at the bottom lets you extend your runtime further via a power bank, V-Mount, or Gold Mount battery. That same area also houses a USB-A port (for loading LUTs, saving freeze-frame images, and firmware updates), a 3.5mm headphone jack, and a 1/4″-20 threaded mounting hole with anti-twist grooves and anti-slip pads, with a second 1/4″-20 mounting point on the right side for hassle-free vertical shooting