Product Description The Blue 47 is a dark blue filter that accentuates haze and fog. It can be used for dye transfer and contrast effects. Although originally intended for use with black and white film, this filter can also be used as a creative tool in color photography.
Amazon.com Product Description Primarily for black-and-white photography.
Great value for inexpensive lensesAugust 1, 2008 8 out of 8 found this review helpful
At a range between $7 and $10, this is one of the best values and investments out there. What is it actually used for? A UV filter has two primary purposes: to filter out unwanted ultra-violet light and to protect the lens. For most general photography applications, you will not notice the difference in UV light. Only when you have intense sunlight at a specific angle will you start to notice the UV light. It will not alter your photos and their lighting negatively, so you can pretty much leave this filter on all the time. This filter doesn't do that great of a job in actually filtering out harsh light at the ultra-violet spectrum, but if you're an amateur photographer, you won't need that function. If you do encounter a lot of harsh UV light (you live out in the desert or in Alaska), then you should consider a different filter. As an advanced but non-professional photographer who averages 500 photos indoors and outdoors per week, I have not yet encountered any harsh UV light that this filter cannot block.
I use this on my Canon 18-55mm f/3.5-5.6 lens, and I pretty much never take it off. This filter will protect your lens from scratches to the glass. When you get smudges (which you will) on this filter, you just wipe the filter or remove it and clean it. It's much easier to clean this filter than the glass on the lens. But the most important part is that this filter serves as insurance for your lens. If something comes flying at your lens, you have a choice of replacing a $7 filter or a $150 lens. It's a no-brainer!
Now, this filter is useful for either the amateur photographer or the advanced photographer who has a relatively cheap lens (a $150 lens is considered CHEAP compared to $950 for the Canon 17-55mm f/2.8 IS). If you own a more expensive lens, you'd want to go with a better filter, such as one from Hoya or B+W. But if you own the Canon Canon 17-55mm f/2.8 IS or an L lens, you know that already.
All in all, I gave this filter 5 stars because of its great value. If it costs $20, I would have reduced it to 4 stars. Considering its use, you cannot beat this product.
great filtersJuly 27, 2008 1 out of 3 found this review helpful
Tiffen is always a good call if you need filters. They consistently make good glass, and they are relatively inexpensive filters, especially on Amazon.
What JunkJuly 20, 2008 1 out of 2 found this review helpful
DO NOT BUY THIS JUNK... spend a little more and get better quality. I wish I'd read these reviews first. They mention that the threads on this filter are not well made... I put it on the camera and couldn't get it off. Took ten minutes to loosen it. I tried again...this time not tightening it. Same problem. It is in the trash. I wouldn't even give it away.
Protects Your LensJuly 14, 2008 0 out of 1 found this review helpful
Everyone should have a UV filter screwed onto the end of each of their lenses. It's a lot cheaper to replace one of these when it gets scratched than a lense. This does what it's supposed to do.
Could be betterJuly 13, 2008 The filter itself is fine. But the package is horrible. It is not air tight and there is no plastic bag to protect the filter.
So you can image how much dusts can get on it during shipping and handling. Actually, I had to clean the dusts on the filter by myself before I could use it!
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