Nano-X Series MCUV Filter vs Think Tank Digital Holster 5 V3: which is safer?
Think Tank Digital Holster 5 V3 is the clear pick. K&F Concept Nano-X Series MCUV Filter carries a failing PFAS grade, and we never recommend buying a failing product.
K&F Concept
Nano-X Series MCUV Filter
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleCoating leachables and degradation
PossibleUV-induced coating breakdown
PossibleHydrophobic/oleophobic treatment composition
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 leachables and degradation, UV-induced coating breakdown, Hydrophobic/oleophobic treatment composition and Lack of third-party certification or testing on the K&F Concept 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 K&F Concept.
- The K&F Concept is Optical glass with unspecified coatings 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