Hoya HD3 UV Hoya-UV Hoya NXT Filter Box Hoya Alpha Filter
Feature hd3 uv evo antistatic uv nxt uv alpha uv
Light transmission 99.70% 99.80% 97.50% 95%
Type of hoya glass 4X Chemically Hardened UV Optical Glass HOYA UV L39 Sharp Cut Optical Glass High-quality UV optical Glass Optical Glass with UV coating
Multi-coating Ultra-Hard Nano coating Hardened Coatings Standard Standard
No. of multi-coatings 32 Total / 16 each side 18 Total / 9 each side 6 Total / 3 each side 4 Total / 2 each side
Scratch & stain resitance yes yes no no
Water & oil repellent yes yes no no
Filter frame Matte Black Low-profile Aluminum Matte Black Low-profile Aluminum Matte Black Low-profile Aluminum Standard-profile Aluminum
Knurled edges top top top top
Black rimmed yes yes no no
Front Filter Threads yes yes yes yes
Press Fit yes yes yes no
Size Availability 37 - 82mm 37 - 105mm 37 - 82mm 49 - 82mm
Warranty Life-Time Limited one year one year one year
Country of Manufacture Japan Japan Philippines Philippines
  Hoya Filter HD3-CP EVO-CP Hoya NXT Filter Alpha-PL
Feature hd3 cir-pl evo antistatic cir-pl nxt cir-pl alpha cir-pl
Light reduction 1 stop 1.3 stop 1.6 stop 1.6 stop
Type of hoya glass superior grade optical glass high-grade optical glass optical glass optical glass
Type of polarizing film high-transmission uv absorbing pl film super thin pl film standard pl film standard pl film
Multi-coating ultra-hard nano coating hardened coatings non-coated non-coated
No. of multi-coatings 16 total / 8 each side 18 total / 9 each side none none
Scratch & stain resitance superior excelent standard standard
Water & oil repellent yes yes no no
Filter frame matte black low-profile aluminum matte black low-profile aluminum matte black low-profile aluminum standard-profile aluminum
Knurled edges top and sides top and sides top and sides top and sides
Black rimmed yes yes no no
Front Filter Threads yes yes yes yes
Press Fit yes no no no
Size Availability 37 - 82mm 37 - 105mm 37 - 82mm 49 - 82mm
Warranty 5 years one year one year one year
Country of Manufacture japan japan philippines philippines