P+S Technik has released the Hexamo Mount, a specialized adapter designed to allow Leitz Hektor Cine Prime lenses to function on ARRI Alexa cameras. This mechanical interface addresses the technical challenges of mounting vintage-style optics on modern digital cinema sensors, ensuring proper flange focal distance and structural stability for high-end production environments.
Technical Specifications of the Hexamo Mount
The Hexamo Mount serves as a bridge between the legacy-inspired design of the Leitz Hektor Cine Primes and the standard LPL mount found on contemporary ARRI Alexa systems. According to P+S Technik, the adapter is engineered to maintain precise optical alignment, which is critical when using prime lenses that feature distinct character and vintage-style bokeh.
The mount is built to withstand the rigors of professional sets, utilizing high-grade materials to prevent flex or vibration. By integrating this adapter, cinematographers can use the Hektor series—known for its specific rendering of skin tones and focus fall-off—without compromising the digital signal path of the Alexa sensor.
Compatibility and Workflow Integration
The primary challenge in using vintage optics on modern digital cinema cameras is the variance in mount types and the depth required for the sensor stack. The Hexamo Mount is specifically calibrated for the ARRI LPL mount, which has become the industry standard for large-format cinematography.
By utilizing this mount, crews can transition between modern glass and Hektor primes during a production day without requiring extensive recalibration of the camera’s back-focus. This maintains the speed and efficiency required on professional film sets, where time-to-shot metrics are vital.
Why Vintage Optics Matter in Modern Production
The demand for lenses like the Leitz Hektor stems from a shift in digital cinematography toward "de-clinicalizing" the image. Modern sensors often produce extremely sharp, high-contrast results that some directors find sterile.
- Optical Character: Hektor lenses offer unique aberrations and softer contrast that provide a more organic feel.
- Sensor Matching: Adapters like the Hexamo allow these distinct optical signatures to be captured on 4K and 6K sensors without the vignetting or mechanical interference associated with generic or "off-brand" adapters.
- Production Versatility: Using a dedicated mount rather than a universal adapter reduces the risk of focal plane misalignment, ensuring that the vintage characteristics remain consistent across the entire frame.
Summary of Key Features
| Feature | Specification |
|---|---|
| Lens Compatibility | Leitz Hektor Cine Primes |
| Camera Mount | ARRI LPL |
| Construction | Precision-machined metal housing |
| Primary Benefit | Maintains vintage optical integrity on modern sensors |
For productions looking to blend the aesthetic benefits of classic glass with the reliability of current ARRI hardware, the Hexamo Mount provides a standardized solution. It removes the necessity for custom-machined, one-off adapters, offering a repeatable and reliable workflow for rental houses and independent cinematographers alike.
Worth a look