Should you’re flying the DJI O4 Professional Air Unit on a custom-built FPV drone, the BetaFPV ND Filter Set is a strong selection for bettering your footage and defending your lens—with out breaking the financial institution. On this evaluation let’s break down the professionals and cons of those filters from BetaFPV and the way they in comparison with the official ones from DJI.
ND filters scale back the quantity of sunshine hitting your digital camera sensor, serving to you keep cinematic movement blur by maintaining your shutter velocity low. Should you’re new to ND filters, take a look at this tutorial on the right way to use them successfully: https://oscarliang.com/nd-filter-fpv/
The place to Purchase
Get the Betaflight ND filters from:
BetaFPV affords a filter equipment that features UV, ND8, ND16, and ND32 filters for the O4 Professional digital camera. You can even purchase every filter individually for $5.99, which is nice for those who continuously use one particular ND power and occur to lose or harm it. This flexibility makes BetaFPV’s filters some of the reasonably priced and handy choices at present out there.
The included UV filter doesn’t have an effect on publicity however acts as a terrific lens protector when an ND filter isn’t needed. Study extra about these several types of filters: https://oscarliang.com/uv-cpl-nd-filters/
BetaFPV vs DJI Filters
One of many standout benefits of the BetaFPV ND filters is their low profile.
Whereas DJI’s official ND filters are well-designed and work completely on the Avata 2, they are often too large for a lot of {custom} FPV drone frames.
Right here’s the DJI filter on the Avata 2:
Right here’s the DJI filter on an FPV drone (cinelog30 v3, too large to suit):
The BetaFPV filters, in contrast, match snugly on almost any body and nonetheless work properly on the Avata 2—a win-win for versatility.
By way of usability, DJI filters are simpler to mount and take away due to their prime and backside pinch tabs. Nonetheless, they’re additionally extra susceptible to falling off in crashes and even transportation. BetaFPV filters connect extra securely, however you’ll must push them immediately onto the lens, which may make set up and removing a bit more difficult. In some instances, I’ve needed to maintain the digital camera housing down whereas engaged on the filter.
Any Downsides?
The primary caveat with the BetaFPV filters is the black corners in video as a result of extraordinarily large FOV of the DJI O4 Professional digital camera. Nonetheless, in follow, this isn’t actually a difficulty in my view. Firstly, the black corners are minimal so that they don’t really have an effect on flying. Secondly, with recording video, we nearly all the time apply stabilization utilizing Gyroflow or RockSteady, the picture will get cropped barely, which usually eliminates the darkish corners.
Closing Ideas
In order for you an reasonably priced, compact, and practical set of ND filters on your DJI O4 Professional digital camera or Avata 2, the BetaFPV ND filter set is a superb purchase. The black corners is a minor trade-off for higher compatibility and safe mounting. Plus, at simply $5.99 per filter, there’s little cause to not fill up.
Professionals:
- Low profile – helps a variety of frames
- Cheap ($5.99 per filter, or $19.99 for 4)
- Appropriate with DJI O4 Professional and Avata 2
- UV filter included as lens protector
- Safe match; much less prone to fall off in crashes
Cons:
- Tougher to put in and take away
- Minor black corners attributable to large digital camera FOV
Should you’re seeking to step up your video high quality or simply need primary lens safety on your O4 Professional, BetaFPV’s ND filters ship glorious worth and sensible efficiency.