Tilta Nucleus Nano II vs SmallRig F40: Which Follow Focus?
By TRM | Published: 2026-10-31
Category: Comparisons
Compare the Tilta Nucleus Nano II wireless system and the SmallRig F40 manual follow focus on price, mounting, and gimbal use to pick the right kit for your rig.
Quick answer
Choose the Tilta Nucleus Nano II if you need wireless focus control from a gimbal or handheld rig; choose the SmallRig Mini Follow Focus F40 if you want a simple, low-cost manual follow focus for left-side lens control.
Wireless reach vs. hands-on simplicity
The core difference is how you control focus. The Nucleus Nano II uses a wireless handwheel with a 4.1 cm touchscreen and a separate optical control motor, so you can pull focus from a distance. The F40 is a manual system that mounts beside the lens and is turned by hand from the left side.
That makes the Nano II better suited to gimbal work, where the camera moves away from you, while the F40 keeps you physically connected to the lens. Neither approach is inherently better; they solve different problems on set.
Mounting and lens compatibility
The F40 includes a 15 mm rod clamp and a short rod, and it drives the lens gear via a 0.8 MOD / 43T gear with an adjustable toothed lens ring. That means it works with standard 15 mm rod setups and lenses that accept a geared ring.
The Nucleus Nano II uses a motor that attaches to the rig, but the supplied facts do not specify its rod mounting or gear details. If your rig uses non-standard rods or you need a specific gear pitch, check the motor mounting and gear specifications before buying.
Price and what you get
At catalog prices, the F40 is a fraction of the cost of the Nano II. The Nano II's higher price reflects its wireless handwheel, touchscreen, and motor system. If your budget is tight and you only need manual focus, the F40 delivers the basic function for much less.
However, the Nano II's price includes the wireless control that would otherwise require additional purchases in a manual setup. Consider the total cost of the functionality you actually need, not just the sticker price.
Key trade-offs
- Wireless freedom: The Nano II lets you control focus from up to 91 m away via Wi-Fi or Bluetooth, which is essential for gimbal work. The F40 requires you to be at the rig, turning the knob by hand. If your camera moves independently of you, wireless is non-negotiable.
- Setup complexity: The F40 mounts with a 15 mm rod clamp and includes a short rod, making it a simple mechanical install. The Nano II requires mounting a motor and pairing a handwheel, which takes more time and planning. Budget extra setup time for wireless systems, especially on fast-moving shoots.
- Cost vs. capability: The F40 costs far less but only offers manual focus. The Nano II costs more but includes wireless control, a touchscreen, and a motor. Neither is overpriced for what it does; they target different budgets and needs. Decide whether wireless control is a must-have before comparing prices.
Product facts
- Tilta Nucleus Nano II – Wireless Follow Focus: Wireless handwheel with 4.1 cm touchscreen and optical control motor; 2.4 GHz Wi-Fi and Bluetooth with up to 91 m range. Lets you pull focus remotely from a gimbal or handheld position without being tethered to the camera.
Tilta Nucleus Nano II – Wireless Follow Focus - Smallrig Mini Follow Focus F40 (3010D): Manual follow focus with included 15 mm rod clamp and short rod; 0.8 MOD / 43T gear and adjustable lens ring. Provides a straightforward, tool-light way to control focus from the left side of the lens on standard rod rigs.
Smallrig Mini Follow Focus F40 (3010D)
Which should you choose?
Best for
- Gimbal or handheld operators who need to pull focus remotely
- Shooters who want a touchscreen interface and wireless range
- Rigs where the camera moves independently of the operator
Not for
- Budget-focused shooters who only need manual focus
- Simple rod-based setups where a hands-on knob is sufficient
- Users who prefer a mechanical, battery-free focus solution
