Does Hoya waterproof camera & lens protection cases have PFAS?
We graded 8 Hoya waterproof camera & lens protection cases products, averaging Good (50/100). None of them grade Good or better. Against the other 30 waterproof camera & lens protection cases brands we grade, where the middle brand sits at 70/100, Hoya is worse than typical, scoring above 28% of them.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
Graded and flagged Poor and Bad, we’d swap these
Hoya
Alpha II Lens Protection Filter
Glass optics with unspecified protective coatings
Glass fragility and handling injury
Optical glass is breakable; shattered edges pose cut risk. This is a mechanical hazard…
PFAS
Some optical coatings historically used fluorinated compounds for hydrophobic or…
No PFAS information public.
⚠Undisclosed proprietary coating
Hoya
NXT Plus UV Filter
Optical glass with UV-absorbing coating
Coating composition opacity
Hoya does not disclose the specific resin or metal oxide components in the NXT Plus UV…
Coating degradation over time
Multi-layer optical coatings can delaminate or show edge separation after 5-10 years of…
Coating formula undisclosed by brand.
⚠Undisclosed proprietary coating
Hoya
HD Protector Filter
optical glass with protective coating composition unspecified
Coating degradation and leachables
Hoya does not disclose the protective coating formulation. If the coating contains heavy…
Skip if PFAS worries you.
⚠Undisclosed proprietary coating
Hoya
HD3 UV Filter
Optical glass with UV-absorbing coating
Coating delamination or degradation
UV filter coatings can theoretically delaminate under extreme temperature swings or…
Optical glass breakage and sharp edges
Drops or impacts can fracture the glass, producing sharp fragments. This is a physical…
Fungal or bacterial growth on glass surfaces
If stored in humid conditions without airflow, fungus can colonize the glass or internal…
Metal ring corrosion or paint degradation
The metal frame can develop surface oxidation or paint chips over years of use…
Glass filter, low PFAS likelihood but unconfirmed.
⚠Undisclosed proprietary coating
Hoya
UV filter HD MkII
Optical glass with multi-coated lens treatment
Coating material composition (undisclosed polymers or resins)
Multi-layer anti-reflective coatings may contain PFAS-based polymers or other synthetic…
Glass lowers concern, but coating details withheld.
⚠Undisclosed proprietary coating
Hoya
HMC NXT UV Filter
optical glass with multi-coated filter layers
Coating degradation and microparticle shedding
Multi-layer optical coatings can degrade under abrasion, salt spray, or solvent exposure…
Glass fracture and silica dust
If dropped and shattered, optical glass produces sharp fragments and fine silica dust.…
Skip without coating information and PFAS clarity.
⚠Undisclosed proprietary coating
Hoya
NXT Plus CPL Circular Polarizer Filter
Optical glass lens with multi-coated optics
Lower concern. No known PFAS in glass optics.
⚠Undisclosed proprietary coating
Hoya
HD Antistatic UV Filter
optical glass with antistatic and UV filter coatings
Heavy metals
Some UV and antistatic coatings may include trace metals (e.g., titanium, cerium, or rare…
Glass fragmentation hazard
If dropped or struck, the filter may shatter, creating sharp glass fragments. This is a…
Optical glass with antistatic and UV coatings of undisclosed chemistry.
⚠Undisclosed proprietary coating
Better waterproof camera & lens protection cases from other brands
Graded higher than the Hoya average of 50.
Think Tank Photo
Think Tank Digital Holster 5 V3
Ballistic nylon, weather-sealed fabric, metal hardware
Undisclosed water-repellent coating chemistry
Limited concern
Coating degradation over time
Limited concern
Camera holster with weather treatment; PFAS status undisclosed.
⚠Brand says nothing about PFAS
Nikon
WP-CP3 Marine Case for Camera
Polycarbonate/rubber with waterproof seals
Polycarbonate degradation over time
Limited concern
Rubber gasket hardening and seal failure
Limited concern
Microbial growth in sealed moisture pockets
Limited concern
No coating described, and no PFAS statement from the brand.
⚠Brand says nothing about PFAS
Nikon
WP-N1 Waterproof Housing
Polycarbonate housing with waterproof seals
Gasket material degradation
Limited concern
Polycarbonate microcracking or crazing
Limited concern
No coating described, and no PFAS statement from the brand.
⚠Brand says nothing about PFAS
See every Hoya product we grade on the Hoya brand page, or the full waterproof camera & lens protection cases ranking.