Understanding B+W filter model differences?

So I'm in the market to buy filters for my zoom lenses since I've gotten the habit of not using the bulky hoods indoors (I know, bad move, but the space savings are important to me).

But then I come across lots of different types of UV filters, and it boggles my mind.

From a test done not too long ago, I remember that the Hoya HMC UV came up top for % of visible light passing through, and that is still the cheapest. However, many people are still recommending the B+W's so I figured I should take a look.

They are to be put on my 24-70 and 70-200mm lenses, and so any usual thickness should work.

So to cut to the chase, assuming it's all UV HAZE 001 MRC, what's the practical difference between "F-Pro", "XS-Pro", "Nano"?

And, just because it's a B+W filter thread... anyone can really tell me the practical differences between their CPL and CPL KSM filters?

Cheers!
Zexun

I just got myself a BW XS-PRO Clear 007M filter, I got it over the UV coz I need the filter for protection more than anything else... and as far as I know, XS-PRO is thinner than the F-Pro.. good for wide angle lenses

and looks like all XS-Pro specially the UV ones are already Nano coated

I have F-Pro's on all my lenses as protection (010 UV MRCs). I didn't want to spend a ton of money on L glass and then not put a top class filter on it, and my research pointed to B+W being right up there. The filters are excellent, and very easy to clean.

I also have a slim fit CPL KSM filter. It is outstanding, although I have not tried the normal B+W CPL so can't offer any comparisons. The slim fit does not have the depth to allow a lenses cap to be used, which would annoy me lots if i was using the filter primarily for protection.

I use F-Pro's as well. Don't see the point of getting the XS-Pro because they're more expensive (slimmer), I don't stack, and a single F-Pro doesn't cause any vignetting even on my 10-22.

DarthSparky wrote in post #12614164
I have F-Pro's on all my lenses as protection (010 UV MRCs).

+1.

DarthSparky wrote in post #12614164
I have F-Pro's on all my lenses as protection (010 UV MRCs). I didn't want to spend a ton of money on L glass and then not put a top class filter on it, and my research pointed to B+W being right up there. The filters are excellent, and very easy to clean.

After having bought B+W UV filters for all my lenses, I've recently come to the conclusion that IQ is more important to me than protection from I don't know what. And there's vignetting to watch out for on wide lenses. I now shoot without protective filters.

I use a hood all the time on all the lenses, and am careful with cleaning, always having a clean microfiber cloth with me on shooting, and lens papers at home.

But I agree that if you use a filter, use a B+W.