HD3 UV Filter vs Think Tank Digital Holster 5 V3: which is safer?
Think Tank Digital Holster 5 V3 is the clear pick. Hoya HD3 UV Filter carries a failing PFAS grade, and we never recommend buying a failing product.
Hoya
HD3 UV Filter
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleCoating delamination or degradation
ReportedOptical glass breakage and sharp edges
PossibleFungal or bacterial growth on glass surfaces
Our pick
Think Tank Photo
Think Tank Digital Holster 5 V3
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleUndisclosed water-repellent coating chemistry
PossibleCoating degradation over time
Where these two actually differ
- We flag Coating delamination or degradation, Optical glass breakage and sharp edges, Fungal or bacterial growth on glass surfaces and Metal ring corrosion or paint degradation on the Hoya and not on the Think Tank Photo.
- We flag Undisclosed water-repellent coating chemistry and Coating degradation over time on the Think Tank Photo and not on the Hoya.
- The Hoya is Optical glass with UV-absorbing coating where the Think Tank Photo is Ballistic nylon, weather-sealed fabric, metal hardware, which is most of the difference in these two grades.
- The gap is 35 points, wide enough that this is not a close call, and the Think Tank Photo is the one to buy.
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 cases: see the full ranking