Basic Clear Filter MRC vs Freewell ND Filter 4-Pack for Samsung Galaxy Ultra: which is safer?
B+W Basic Clear Filter MRC is our pick: better on PFAS and on the overall hazard picture.
Our pick
B+W
Basic Clear Filter MRC
PFAS grade
B 85/100
Overall grade
B 81/100
Verdict
Buy
Hazard flags
⚑ 1
Material
Optical glass, multi-coated
Confidence
78%
PossibleOptical coating degradation and scratching
Samsung
Freewell ND Filter 4-Pack for Samsung Galaxy Ultra
PFAS grade
B 85/100
Overall grade
C 77/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Optical glass and aluminum frame
Confidence
72%
PossibleOptical coating degradation
PossibleAdhesive or bonding agents
Both products run through the same public rubric: 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 →
More waterproof camera & lens protection: see the full ranking