Very pleased with Hoya filters
935222
This is my fourth Hoya UV filter that I've bought and love these filters.  They're highly regarded for the price and perform very well with no noticeable degradation in my photos.  I highly recommend these filters.
3127932
I didn't want to spend so much on a circular polarizing filter but after doing some research and reading many, many reviews of many different products, this is the filter I deemed most fit for my money -- even though it was much more than I wanted to spend. So far the results are fantastic (I've needed this for awhile) and I'm very happy with the build quality.

It comes in a very durable hard plastic box, big enough for the filter but only just so it doesn't waste space. There are two decently thick foam pads under the filter, which appear to be intended to "sandwich" the filter inside the plastic case but were both placed on the bottom when I received it. Either way, the filter was snug and I've moved one foam pad to "sandwich" the filter when in its case, not being used.

The filter arrived perfectly clean, with no finger prints, scratches or dust, even though the box appeared to have already been opened. Overall I'm very glad I spent the extra money on a higher quality circular polarizing filter and it certainly shows in the product.

I've added a photo I took right after it arrived in the mail and I opened it.
751350
Purchased for my Father and he gets a lot of use out of it. No negative comments and he's been a long time user of Hoya - he would definitely recommend this filter.
1666833
I bought this 55mm Sigma EX DG UV filter and it works great!  Unlike the Hoya I bought recently it works great at high zooms.  The Hoya distorts the image.  It threw me a loop for a while.  I could not figure out why the camera was producing fuzzy photos at max zoom.  It turned out it was the Hoya HMC 55mm filter  was doing that.  No such problems with the Sigma.

I was a little concerned as the packaging and the filter itself said Sigma 55mm DG filter made in Japan.  I was really happy to see it is made in Japan as the Hoya filters are made in the Philippines.  I ordered the Sigma EX DG UV filer and the one they sent me is the Sigma DG filter.

I contacted Amazon and they gave me the address to the manufacturer, so I contacted them as well.  I got a message from Sigma today and they told me the Sigma EX DG and the Sigma DG filters are one and the same.  It is just a branding difference, but are both made of the same materials and the same process.  I am passing this on as someone else might notice the difference and be wondering like I was.
634911
I've always bought B+W and was just kind of downsizing my kit and expenditures and thought I'd try Hoya's and save some money.
I just bought four Hoya filters for my new lenses and I'm going to keep them but, honestly, if I had to do it over again, I'd be spending a few more bucks on the B+W's. I am simply seeing issues on the surfaces that I seem to get cleaned up but also not understanding why they are there in the first place. Little dots, swirrels... very minor but they are there. It's a bit weird to me. Nothing that "should" affect a photo but also never issues I saw and dealt with on all of the B+W's I've owned, and I've owned a lot. For a few more bucks I suspect B+W has the QC process down a bit better than Hoya.
914326
Please let me know if you find my review helpful by clicking the voting links at the bottom!

I am a relatively cheap SOB, and I kinda wanted to get the kit of 8 filters for $25, and replace them as needed.  But, being inquisitive, too, I looked at all my options.

Once I landed here, I read everything here, then I went to their website, and read more.  I found reviews (and prices - *GET EM HERE!) from around the Internet.  Still, this much beer & pizza money is hard to part with, so I called up Kenko Tokina USA, in Huntington Beach, and spoke with a gentlemen (sorry, forgot your name, dude) who REALLY knew his stuff, and took the time to walk me through it.  He could have started with the very convincing argument of how this would be protecting my hideously expensive nikkor lens, but instead he walked me through what it would do for my photos, first, which not only sold me, but educated me.  Then he hit me up with the vastly improved protective abilities of the Hoya glass over the other filters I had been considering.

After 2 months, plus, including 2 weeks in the bush in Alaska, I am sold on these.  My brother had a different brand, far less expensive, and we could see the difference.
2624384
Used Hoya 52mm filter. Small faint issues with filter glass but shouldn't be a problem.  I guess we get what we pay for. If I was a professional I wouldn't use it. But for an amature it shouldn't be an issue. Had to look  very hard to find the filter discrepancies. Won't by used again.
2637926
This is an excellent filter and a great value. The craftsmanship and manufacturing precision of the glass and fittings are outstanding. I use the Breakthrough Photography UV filters on both of my professional cameras - the Nikon D800 and the Nikon D200. I was not expecting such good quality at such a good price. Very happy with my purchase.
4655538
Serious reviews say this Hoya beats the much more expensive German filter.  Worth it if you are using cameras with good lenses and are fussy about your photos.  Essential for outdoor photos.
242249
Not normally one to write Amazon reviews, but I'm pretty impressed with this very inexpensive filter. Using it on a D7100 with a Sigma 10-20 f/3.5 it has no noticeable loss in sharpness with a long exposure. It does give a cool color cast, but even expensive ND filters of this strength do - nothing you can't correct with a quick click in Lightroom or a similar program. The quality of the photo is every bit as good as one taken with my Hoya ND400X (which is around 9 stops) at around a third of the price. It's also got the lowest profile of any of my filters which will help avoid vignetting (though any filter will vignette at 10 or 11mm on the Sigma 10-20 f/3.5 - zoomed in to 12 and there is no vignetting). I'm looking forward to getting out and doing some seascapes with this soon. Very highly recommended.
3364299
I'm very pleased with these filters. They are sturdier than another brand that I've purchased recently. The other brand buckled and got sucked into the blower compartment ... not good.
4384009
I would recommend these to anyone who wants these kinds of filters and wants to pay less for them.  Particularly helpful if you have to change filters more than once a year due to heavy dander in your home.  I have 5 animals, a high efficiency furnace that is brand new and change this every 2-4 months.

These kinds of filters, including the expensive ones, are all a bit tricky for me to put in.  But, this is not more tricky than the expensive filters.

Great value, works well, and I'm very pleased.  Also came quickly.
4028371
This is a very high quality clear protect filter comparable to Hoya HD2 at a fraction of the cost. Just bought another one for a new lens I bought.
1317618
I parked this filter on the end of my $700. Nikon 18-200 and didn't want to sacrifice image quality for lens protection. You get what you pay for and the Hoya delivers!
640977
These filters arrived in a package of six filters in a box without being individually wrapped, which I like.  Wrapping each one in plastic is unnecessary and wasteful.  Coming in the box makes them easy to store under my stairs.  These MERV 8 filters are good all-purpose home filters that are pleated and sturdy enough to do their job.  They are sized correctly and fit perfectly in my HVAC unit.  They exhibit good airflow while still collecting a lot of dust and debris.  The price is excellent.  I've been impressed so far.
1670755
Before I bought this filter, I read reviews describing the different quality levels that Hoya offers, and since the top of the line came at a price not too much above the intermediate, I decided to give it a try.

It turned out to be a good decision. The contrast this filter provides is better than anything I have seen before. If you aim at a water surface at the right angle, it virtually goes from total reflection to see through. The mechanical quality is very good as well. I definitely recommend spending the extra money on this filter.
313153
Very satisfied with the filters. I could not believe the price difference between what I paid for the three filters and the one I got at a local box