The Portkeys BM5 IV is a professional 5.5" touchscreen camera monitor with a 10-bit Full HD panel, exceptional brightness of 2,000 nits, and both HDMI 2.0 and 3G-SDI interfaces. It displays a 4K60 signal via HDMI, offers pass-through outputs and cross-conversion, making it suitable for both compact camera rigs and film productions.
The Portkeys BM5 IV is a professional 5.5" touchscreen camera monitor with a 10-bit Full HD panel, exceptional brightness of 2,000 nits, and both HDMI 2.0 and 3G-SDI interfaces. It displays a 4K60 signal via HDMI, offers pass-through outputs and cross-conversion, making it suitable for both compact camera rigs and film productions.
With 2,000 nits of brightness, 1920 × 1080 resolution, and a wide color gamut, you get an accurate and easy-to-read preview whether you’re shooting indoors or outdoors. Factory calibration helps maintain consistent colors.






















The monitor features HDMI input and output up to 4K60, 3G-SDI input and output, and HDMI-to-SDI signal conversion. It can therefore be easily integrated into both camera-based and professional SDI setups.
When connected via the appropriate control cable, you can adjust supported settings for select cameras directly from the touchscreen. This speeds up workflow on set and reduces the need to touch the camera body.
The CINENORM operating system offers up to seven user-configurable pages. Individual tools can be arranged according to the type of work or the crew member’s role, and saved configurations can be transferred via USB between monitors of the same model.
Features include waveform, vectorscope, histogram, zebra, peaking, standard and ARRI False Color, custom false colors, anamorphic de-squeeze, on-screen guides, and support for custom 3D LUTs. LUTs can also be applied to the SDI output signal.
PBP, PIP, and H2V Crop modes allow you to compare sources or parts of the image. Users can import two custom calibration files and precisely adjust the color rendering to match their work environment.
The Portkeys BM5 IV is a professional 5.5" monitor with a high brightness of 2000 nits and support for 4K60P via HDMI and 3G-SDI, offering advanced camera control capabilities. For optimal operation, it is essential to ensure a reliable power supply via D-Tap or AC adapters and to use specialized cables for remote control of camera functions.
Power Supplies and Adapters - Accessories for ensuring continuous power to the monitor from batteries or the mains.
HDMI Cables - High-quality HDMI cables supporting high resolution for stable image transmission to the monitor.
Controls and Accessories - Modules, handles, and cables that allow direct control of camera settings from the monitor interface.
| Manufacturer: | PortKeys |
| Category: | Camera monitors |
| Size | 5.5" |
| Monitor inputs | 4K HDMI · 3G-SDI |
| Luminosity | 2000cd/m2 |
| Panel resolution | 1920x1080 |
| Monitor power supply | Sony NP-F · 12V LEMO |
| Other features | Touchscreen · Camera control · 3D LUT correction · 10-bit IPS |
| High Brightness (NITS) | Yes |
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