Colour Lens Waterproof Case Filter for Osmo Action 5 Pro / Osmo Action 4 / Osmo Action 3 vs UV Haze 010 Filter: which is safer?
B+W UV Haze 010 Filter is our pick, better on PFAS and on the overall hazard picture.
Colour Lens Waterproof Case Filter for Osmo Action 5 Pro / Osmo Action 4 / Osmo Action 3
PFAS grade
Excellent 85/100
Overall grade
Excellent 77/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Optical glass lens
Confidence
35%
PossibleCoating degradation and leachables from anti-reflective or protective surface treatments
PossibleBacterial growth in waterproof seals or dead-end cavities
Our pick
B+W
UV Haze 010 Filter
PFAS grade
Excellent 85/100
Overall grade
Excellent 85/100
Verdict
Buy
Hazard flags
none flagged
Material
Optical glass lens with multi-coated optical surfaces
Confidence
82%
Where these two actually differ
- We flag Coating degradation and leachables from anti-reflective or protective surface treatments and Bacterial growth in waterproof seals or dead-end cavities on the and not on the B+W.
- The is Optical glass lens where the B+W is Optical glass lens with multi-coated optical surfaces, which is most of the difference in these two grades.
- These two are level, close enough that price and fit should decide it rather than our grade.
- We are less certain about the grade, at 35% confidence against 82%, because it discloses less.
Both products run through the same public rubric, which covers materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
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