Overview
This lens filter set is designed for the DJI O4 Air Unit Pro and is compatible with SpeedyBee BEE25/Master3X FPV drones. The set includes UV, CPL, and ND filters (ND8/ND16/ND32) for dynamic light control, glare reduction, and UV filtration/lens protection. Product materials also highlight: Multiple Sizes | Aviation Aluminum | Ultra HD Clarity.
Key Features
- ND filters (ND8/ND16/ND32): Dynamic light control.
- CPL filter: Glare reduction.
- UV filter: UV filtration and lens protection.
- Dual-sided nano coating: Multi-layer nano coatings on both sides; all-around oil- and water-resistance for the lens.
- Aviation aluminum frame: Crafted with aviation aluminum alloy frames; product materials state each filter weighs only 0.9 g.
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ND usage notes:
- ND8: Moderate light reduction. Ideal for cloudy/overcast conditions.
- ND16: Best for standard bright daylight.
- ND32: Superior light suppression. Optimal for high-brightness scenes (midday sunlight, snowfields, seashores, etc.).
- Shutter speed guidance: ND8-32 filters lower the shutter speed in bright lighting, enhancing motion blur, for a smoother and more natural-looking view.
For compatibility questions (including fitment on specific builds), contact support@rcdrone.top or visit https://rcdrone.top/.
Specifications
| Brand | SpeedyBee |
| Product Name | SpeedyBee O4 Air Unit Pro Lens Filters |
| Compatible Model | DJI O4 Air Unit Pro |
| Models | UV Filter; CPL Polarizing Filter; ND8 Filter; ND16 Filter; ND32 Filter |
| Material | Aluminum Alloy Frame; Glass |
| Weight | Approx. 0.97 g (product materials also state 0.9 g) |
| Dimension | 23.2 mm (length) * 20 mm (width) * 2 mm (height) |
Vignetting Reference (from product materials)
| Aspect Ratio | Standard | Wide Angle | Ultra-wide Angle | Standard (In-Camera Stabilization) | Wide Angle (In-Camera Stabilization) | Ultra-wide Angle (In-Camera Stabilization) |
| 16:9 | ✅ | ✅ | ✖ | ✅ | ✅ | ✅ |
| 4:3 | ✅ | ✖ | ✖ | ✅ | ✅ | ✅ |
Legend in product materials: ✅ Vignetting; ✖ No vignetting.
What’s Included
Full Pack
- 1 x UV Filter
- 1 x CPL Filter
- 1 x ND8 Filter
- 1 x ND16 Filter
- 1 x ND32 Filter
- 1 x Cleaning Cloth
- 1 x Storage Case
Single Filter (pack option shown in product materials)
- 1 x Filter
- 1 x Cleaning Cloth
- 1 x Storage Case
Installation
- Ensure the SpeedyBee logo faces upward.
- From below, align the filter’s raised edge with the camera’s notched slot.
- Gently press down on the aluminum alloy frame until you hear a "click" sound.
Removal
- Press your finger against the camera area in the upper groove of the filter.
- Gently pull outward with two other fingers to release the filter.
Details

The SpeedyBee DJI O4 Air Unit Pro lens filter set includes UV, CPL, ND8, ND16, and ND32 options for different lighting conditions.

The SpeedyBee filter pack includes ND8/ND16/ND32, CPL, and UV options for managing light, reducing glare, and adding basic lens protection.

A vignetting comparison table shows which aspect ratio and stabilization settings maintain a clear, vignette-free view.

The SpeedyBee ND/UV/CPL lens filter uses an aviation aluminum frame and a lightweight 0.9g build for minimal added load on the camera.

SpeedyBee ND/UV/CPL filters feature dual-sided nano coating and clearly labeled UV, CPL, and ND options for quick swaps.

UV, CPL, and ND8–ND32 filter options help manage brightness and reflections so you can keep more natural-looking motion blur in video.

The SpeedyBee lens filter snaps into the camera’s notched slot for quick installation and removal, with a 20mm x 23.2mm x 2mm low-profile frame.

SpeedyBee O4 Air Unit Pro lens filters for the DJI O4 Air Unit Pro include UV, CPL, and ND8/ND16/ND32 options in an aluminum alloy frame with glass, weighing about 0.97g.

The SpeedyBee lens filter pack includes UV, CPL, and ND filters with a cleaning cloth and storage case for easy carrying.
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