CYNOVA Filter Set for GoPro Hero 13 Black - 4 Pack ND & CPL

In this review of the CYNOVA Filter Set for GoPro Hero 13 Black, the bottom line is simple: this 4-pack of CPL, ND8, ND16 and ND32 filters is aimed at action camera users who need quick light control and improved color in bright outdoor conditions. The set stands out for its high-grade AGC optical glass and sturdy aluminum alloy frames, making it a practical add-on for hikers, skiers, cyclists and other outdoor shooters who want sharper footage and reduced glare without bulky gear.

Key Features

• 4-Pack Filter Variety: Includes CPL, ND8, ND16 and ND32 to handle reflections and a wide range of bright-light exposure situations.
• Optical AGC Glass: High-grade imported glass provides over 99.5% light transmission while resisting water, oil and scratches for cleaner footage.
• Polarizing Control: The CPL filter reduces non-metallic reflections and improves color saturation for clearer water, snow and window shots.
• Neutral Density Options: ND8, ND16 and ND32 reduce exposure to prevent overexposure and boost clarity in strong sunlight.
• Durable Frame Design: Aluminum alloy frames with silicone gaskets and a non-slip design make filters easy to install and remove during activity.

Who It's For

The CYNOVA filter set is best for GoPro Hero 13 Black owners who shoot outdoors and need reliable control over reflections and bright light, such as trail runners, mountain bikers, skiers and water sport photographers who prioritize color and contrast. It is also useful for casual videographers who want a lightweight way to reduce glare and prevent blown highlights without changing camera settings constantly.

Those who primarily shoot underwater or require a fully submersible filter solution should look elsewhere, since the set is not designed for full underwater use. Studio shooters who mainly work in controlled lighting may not need the range of neutral density stops included here.

Pros & Cons

Pros

• High-quality AGC optical glass that maintains sharpness and transmits over 99.5% of light.
• Good selection of density options plus a CPL for versatile outdoor shooting conditions.
• Sturdy aluminum alloy frames with silicone gaskets make installation secure and repeatable.
• Compact, lightweight pack suited to active sports and travel.

Cons

• The filters are not rated for full underwater use, limiting applications for diving.
• No case or detailed mounting instructions included in the basic set description.

Specifications

Compatible Camera	GoPro Hero 13 Black
Filter Types	CPL, ND8, ND16, ND32
Glass Material	Imported AGC optical glass
Frame Material	Aluminum alloy with silicone gaskets
Light Transmission	Over 99.5%
Water Resistance	Waterproof glass surface but not for full underwater use

Our Verdict

The CYNOVA Filter Set is a practical, value-focused accessory for GoPro Hero 13 Black users who shoot outdoors and need quick, reliable control of reflections and exposure. With durable frames and high-transmission AGC glass, it improves color and reduces glare for action footage, though it is not intended for diving use. It represents good value for active photographers who want improved image quality without bulky filters.

Frequently Asked Questions

Can these filters be used underwater?
Answer. The glass is waterproof on the surface, but the set is not designed for full underwater use so it should not be relied on for diving.

Do the filters reduce image sharpness?
Answer. The filters are made from AGC optical glass and are designed to maintain sharpness while reducing flare and reflections.

How easy are the filters to install?
Answer. The aluminum alloy frames with silicone gaskets and non-slip design make them straightforward to install and remove during outdoor activities.