Miofive 34mm CPL Filter for Miofive S1 Dash Cam
Product description
What it is
The Miofive Dash Cam CPL Filter is a 34mm circular polarising lens designed to screw onto the front camera of Miofive S1, S1 Pro and S1 Ultra dashcams. Its purpose is to reduce glare and reflections so recordings show truer colours and better contrast.
How it helps in practice

On bright days or when shooting through windshields, glare can wash out detail. With the CPL filter, you may notice more natural colours, deeper skies and clearer textures in scenes with water, glass or shiny surfaces. The effect is similar to wearing polarised sunglasses, but for the camera lens.
What stands out


The filter is built from quality aluminium alloy CNC machining, which should give it durability and rust resistance in daily use. It also acts as a protective layer for the lens, guarding against water, dust, oil, fingerprints and scratches, while remaining easy to clean.

Notable limitations
On the basis of the available information, the exact strength of glare reduction or the effect in low-light situations isn’t specified. The usefulness of the filter can depend on how consistently you face glare, weather conditions and your camera’s other settings. If you prioritise ultra-faint-light performance, the CPL may not add value in all scenarios.
Who it’s for

This accessory is aimed at Miofive S1 series users who want clearer daytime footage with richer colour and better contrast when shooting through glass or in bright conditions. It’s probably less beneficial in very low light or when a wide field of view is critical and glare is minimal.


Who it isn’t for
If your filming is mostly inside tunnels or during night driving without much ambient glare, the CPL may offer limited improvement. Also, if you require a heavy, feature-rich lens system, this simple screw-on filter won’t substitute for more advanced optics.

When it makes sense to buy
Consider this filter if you frequently record in sunny conditions, near water or in urban settings with bright reflections. It’s straightforward to install—screw it onto the lens, adjust to the best orientation, and you’re set.
What to review before purchasing



- Confirm compatibility with your Miofive S1 model (S1, S1 Pro, S1 Ultra) and 34mm front lens.
- Check how you typically drive: if glare is a regular issue, the filter could be worth it.
- Consider your cleaning routine, the CPL is designed to resist dirt but still requires gentle care.
Practical usage example
Imagine driving along a coastal road on a sunny morning. The CPL filter helps reduce glare off the bonnet and water spray, enabling clearer blue skies and road markings in the footage, which can make post‑drive reviews more useful.

Decision
Is it worth it?
Worth considering if you want clearer daytime recordings with enhanced colour and contrast, and you already own a Miofive S1 series dashcam. It isn’t a magic fix for all conditions, and it won’t replace good glass or cautious driving in extreme glare. If you value a straightforward, protective accessory that’s easy to fit, this CPL filter could be a sensible addition.
FAQ
- How do I know if it fits my dashcam? It’s designed for Miofive S1/S1 Pro/S1 Ultra and uses a 34mm thread, check your lens diameter and model compatibility before buying.
- Will it affect night recordings? The information provided focuses on daytime glare reduction, night performance isn’t specified.
- Is it easy to clean? The filter is described as easy to clean and protective for the lens, but avoid harsh cleaners that could scratch the glass.
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