Top critical review
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Significantly worse than Hoya Super HMC filters
on July 14, 2012
Using Hoya filters for years I didn't think twice choosing another one for my new lens. All Hoya filters I own are Super HMC (Hoya Multi-Coated) which according to Hoya website allows an average light transmission of 99.7%. This filter is HMC (not Super) and produces an average transmission of over 97%. Not that big of a difference, you might think. Considering that, together with a price of almost third of a Super HMC filter and 4/5 stars rating I decided to give it a try.
Results were very disappointing. 97% vs 99.7% gives you ten times more light reflected off the filter glass, and that's a lot. Please check out the image I attached to the product description. It shows reflection off this Hoya UV(C) HMC filter compared side-by-side to Hoya Pro1 UV(0) Super HMC filter (on right) and $5 Kenko filter (on left). As you can see the performance of this filter is not even close to the Super HMC. At some angles it's even worse than cheap non-coated Kenko.
Considering low price and Hoya build quality I would give it 3-4 stars but I want other Hoya fans out there to be warned about HMC vs Super HMC difference, hence just 2 stars.