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The ultimate UV filter for digital cameras?
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PostPosted: Tue Sep 25, 2007 7:49 pm    Post subject: The ultimate UV filter for digital cameras? Reply with quote
http://www.schneiderkreuznach.com/tipps/uv-ir_cut_filter.htm

I quote from the description:

Quote:
It leads to sharpener and clearer images, since without the filter so-called ghost images caused by IR radiation and the relatively high sensitivity of the camera sensors in this bandwidth have a negative influence on image sharpness. Further positive characteristics are greater detail, three-dimensional quality and finer color gradation. The colors appear more natural.


I think Schneider is a serious company, so I tend to trust what they say about the properties of this filter.
I think I will buy one, to try. It may be useful, especially on old single coated lenses.


PostPosted: Tue Sep 25, 2007 8:10 pm    Post subject: Reply with quote
Quote:
The filter is therefore not suitable for lens systems with
an angle of view of more than 60°.


No putting it on a Flek then..... Sad


PostPosted: Tue Sep 25, 2007 8:19 pm    Post subject: Reply with quote
bob955i wrote:
Quote:
The filter is therefore not suitable for lens systems with
an angle of view of more than 60°.


No putting it on a Flek then..... Sad


No, the Flek 4/20 should have a field of view of 64 degrees. Sad


PostPosted: Tue Sep 25, 2007 8:22 pm    Post subject: Reply with quote
You mean 94 degrees ? Smile

Wonder what the results would be like with this filter mounted on a Planar 1.4/50..?


PostPosted: Tue Sep 25, 2007 8:30 pm    Post subject: Reply with quote
yes sorry! that's 94 of course.

I don't think you would notice any visible improvement on a Planar T* lens because of the excellent coating that already exists.
I can shoot my Distagon 2/28 against the sun without a hood and have NO FLARE. Only an (unavoidable) ghost.

I am curious to try this filter on my Helios-40 lenses. There the coating is weak and the lens catches every possible flare. I am curious of what this filter can do, perhaps it would turn the Helios-40 into a multicoated lens!


PostPosted: Mon Oct 22, 2007 3:05 am    Post subject: Reply with quote
The B+W filter in your link is what I've heard to be the best. That
being said, the ultimate UV filter would have to be the lens cap:
100% UV block. Laughing

Bill


PostPosted: Sat Oct 27, 2007 10:24 pm    Post subject: Reply with quote
Hi Orio,

Orio wrote:
I am curious to try this filter on my Helios-40 lenses. There the coating is weak and the lens catches every possible flare. I am curious of what this filter can do, perhaps it would turn the Helios-40 into a multicoated lens!


Did you get the filter ? Had a try with your Helios-40 ?

Thanks !


PostPosted: Sat Oct 27, 2007 10:31 pm    Post subject: Reply with quote
Flor27 wrote:

Did you get the filter ? Had a try with your Helios-40 ?

Thanks !


Not yet, there is no shop in Italy that sells them for the moment, and I can not find them on Ebay. Also they're damn expensive and at the moment don't feel like spending so much for a filter. Maybe in a few months I'll look again.
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