Viltrox NexusFocus F1 Brings Autofocus to Manual PL Lenses

Viltrox has launched the NexusFocus F1, a PL to Sony E-mount adapter that brings autofocus control to fully manual cinema lenses. Introduced via Kickstarter, the project has already raised over $41,000, far surpassing its initial $10,259 goal with nearly a month still remaining.

Autofocus for PL Glass

Like all adapters, Viltrox’s NexusFocus F1 sits between a PL-mount lens and a Sony E-mount camera body. It uses Sony’s native phase-detection autofocus and subject tracking to drive external motors. This enables autofocus and control over focus, iris, and zoom (FIZ). It’s compatible with a wide range of cine and CineMod lenses.

Unlike LiDAR systems, which can struggle with parallax and require additional setup, Viltrox promises that NexusFocus leverages the camera’s existing AF system. This should provide you with a smoother and more straightforward operation. This could be useful for filmmakers working with vintage or manual cine lenses, but who don’t want to give up modern focusing options.

App Integration and Motor Control

When using the NexusFocus, you can manage it through a mobile app. It includes lens calibration tools and presets, with automatic calibration available in the iOS version. Once calibrated, the adapter remembers lens settings, allowing for quick setup in future sessions.

The adapter connects via Bluetooth for wireless control through smartphones or tablets. There’s a backlit display panel that shows lens status and operating mode. This can make it easier for solo shooters or small crews to manage lens control on set.

The Build

The NexusFocus F1 is small in size and built to last. The adapter is constructed from aluminum alloy and stainless steel, with a dust-resistant seal at the camera mount. Power is supplied via a standard USB-C port from an external source. A detachable tripod mount provides additional support when you need it.

Viltrox NexusFocus F1 Specs

Feature	Details
Mount Compatibility	PL-mount lenses to Sony E-mount cameras
Control System	Motorized FIZ (Focus, Iris, Zoom)
Autofocus Support	Yes (via Sony phase-detect + AI subject tracking)
App Integration	iOS/Android via Bluetooth
Power Supply	External USB-C
Status Display	Backlit top display
Build	Aluminum alloy and stainless steel
Extras	Dust-resistant seal, detachable tripod mount

Pricing and Availability

The NexusFocus F1 is currently available via Kickstarter, with the campaign running until February 13, 2026. The standard pricing is $1,099 USD for the dual motor kit and $1,299 USD for the triple motor kit.

Discounted early backer options include:

• Super Early Bird – $699 USD (10 kits)
• Early Bird – $799 USD (200 kits)
• Early Access Kit A (Dual Motor) – $899 USD (2,000 kits)
• Early Access Kit B (Triple Motor) – $1,049 USD

For full compatibility and feature details, check the official Kickstarter campaign page.

Disclaimer: We only share crowdfunded projects we believe are legitimate. However, most of those projects are not in a delivery state. Make sure you look into the project and make an informed purchasing decision. While some projects may offer amazing rewards, others unfortunately may not deliver on their promises.

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