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Save 20% CODE: NAB2024
Save 20% CODE: NAB2024

Gratical HD

The Gratical HD EVF is our flagship model - the original!  The Gratical HD has been discontinued and replaced with the Kameleon Pro EVF.

 Feature rich, versatile, future-proof, and time tested, the Gratical HD is the ultimate choice for the consummate professional.

As with all our Gratical electronic viewfinder models, the Gratical HD starts with a 5.4 million pixel micro-OLED display, high quality precision optics with a built in diopter, and a powerful FPGA dual core processor. Find out more with our full spec breakdown below.

Gratical HD EVF Specs

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zacuto gratical hd fpga processor chip


The Gratical HD is powered by a state-of-the-art FPGA dual core processor that supports a host of professional features including HDMI and SDI with simultaneous cross-conversion, Vectorscope, Waveform (3D), Histogram, Timecode, LUT import, creating, and editing, and more. 


The built-in USB port is used for downloading firmware updates and additions. Gratical HD users have access to all future updates and additions free of charge for life. We are constantly working on improving workability of current features and creating new features to keep your EVF up to date and future proof. We often take user requests into consideration. If there’s something you’d like to see included, contact us to make a suggestion. You could see it in the next firmware!