Description
Portkeys BM5IV 5.5″ HDMI/SDI Touchscreen Monitor: Precision Monitoring for Professional Filmmakers
The Portkeys BM5IV 5.5″ HDMI/SDI Touchscreen Monitor is a compact yet powerful professional field monitor designed for cinematographers, camera operators, and content creators who require high brightness, precise color accuracy, and advanced monitoring tools in a rugged build. With its 2,200-nit daylight-viewable display, robust HDMI and SDI connectivity, and intuitive touchscreen interface, the BM5IV combines industry-leading performance with portability—making it a trusted tool for on-set and outdoor production alike.
Ultra-Bright Display for Daylight Shooting
The BM5IV features a 5.5-inch 1920 × 1080 Full HD IPS display with an impressive 2,200 nits of brightness, ensuring clear visibility even under direct sunlight. Its 10-bit (8+2 FRC) color depth and 1000:1 contrast ratio deliver vibrant, lifelike colors with accurate tonal reproduction. Whether used for exposure control, focus pulling, or framing, the BM5IV provides reliable visual feedback in every lighting condition.
- Display: 5.5″ 1920 × 1080 Full HD IPS touchscreen
- Brightness: 2,200 nits for full daylight visibility
- Color Depth: 10-bit (8+2 FRC) panel for smooth color transitions
- Contrast Ratio: 1000:1 with anti-reflective coating
HDMI/SDI Versatility and Professional Connectivity
Built to integrate seamlessly into any workflow, the BM5IV offers both 3G-SDI and HDMI input/output options with cross-conversion support, allowing flexibility when connecting to a wide range of cameras and rigs. It supports 4K HDMI signals up to 30p and 3G-SDI up to 1080p60, enabling it to serve as a reliable on-camera display or secondary production monitor.
- Inputs/Outputs: HDMI (In/Out) and 3G-SDI (In/Out)
- Supported Formats: 4K HDMI 30p / 1080p60 SDI
- Cross-Conversion: HDMI to SDI and SDI to HDMI
- Audio Monitoring: Real-time audio meters with embedded audio support
Intuitive Touchscreen Interface and Advanced Monitoring Tools
The BM5IV features a responsive capacitive touchscreen that makes navigating menus and adjusting settings effortless. It includes a comprehensive suite of professional monitoring tools such as waveform, vectorscope, false color, histogram, peaking, zebra, and focus assist—empowering operators to achieve precise exposure, accurate color balance, and sharp focus on every shot.
- Monitoring Tools: Waveform, Vectorscope, Histogram, False Color, Peaking, Zebra, Pixel Zoom
- Custom 3D LUT Support: Load up to 16 custom LUTs via USB for real-time color grading
- Anamorphic De-Squeeze: 1.33x, 1.5x, and 2x options for anamorphic workflows
- Custom Profiles: Save and recall monitoring presets for fast setup on set
Built Tough for Field Production
Housed in a durable machined aluminum alloy body, the BM5IV is engineered to withstand demanding shooting environments. Despite its solid construction, it remains lightweight and compact—perfect for gimbal, shoulder rig, or handheld use. Multiple ¼”-20 mounting points make rigging simple and flexible, while its 7–24V DC input and D-Tap power compatibility provide dependable power solutions in the field.
- Body: CNC-machined aluminum for durability and heat resistance
- Weight: Lightweight and balanced for handheld and rig use
- Power Options: DC input, D-Tap, or external battery support
- Mounting: Multiple ¼”-20 threads for versatile setup configurations
Camera Control Integration
A defining feature of the BM5IV is its wired camera control functionality, allowing users to adjust settings directly from the monitor. Compatible with a range of professional cameras from Sony, RED, Blackmagic Design, Canon, and Panasonic, this feature enhances efficiency on set by minimizing the need for external control devices or frequent camera menu navigation.
- Wired Camera Control: Adjust ISO, aperture, shutter, white balance, and record start/stop
- Supported Brands: Sony, RED, Canon, Blackmagic Design, Panasonic (model-specific support)
- Touchscreen Control: Streamlined interface for quick and intuitive operation
Designed for Modern Cinematography
With its combination of high brightness, advanced monitoring tools, rugged build, and camera control integration, the Portkeys BM5IV 5.5″ HDMI/SDI Touchscreen Monitor stands as one of the most complete on-camera monitors in its class. It’s designed for DPs, focus pullers, and operators who need accuracy, visibility, and efficiency in one compact package.
The Portkeys BM5IV is the perfect companion for any production that values color-accurate monitoring, dependable performance, and intelligent camera control—all within a durable, daylight-viewable design built for the rigors of professional filmmaking.
