58mm SA XL, CF, B+W slim filter--mechanical vignetting?

**Jon_2416** · 31-Mar-2002, 23:21

Does anyone have actual experience with the following set up:

58mm SA XL with the Schneider center filter (67mm thread on back/86mm thread on front) with a B+W 86mm thin filter?

Will there be any mechanical vignetting?

Thanks!

Jon

**andrea milano** · 1-Apr-2002, 07:44

why don't you use the other filter at the Back(ok there is a possibility of focus shift......) there you have no vignetting, by the way this will happen mor or less if you tilt/shift the lens panel more or less so the answer to your question is very complex. Good Luck

**Bob Salomon** · 1-Apr-2002, 09:06

"use the other filter at the Back(ok there is a possibility of focus shift"

No there is a focus shift.

There is also a loss of performance. little losses like resolution and contrast.

**Jon_2416** · 1-Apr-2002, 20:39

Andrea,

I can't put the filter behind because it is a Wratten 89B for infrared--it is almost opaque. And, I don't want to mess with focus shifting...

Jon

**Jon_2416** · 1-Apr-2002, 20:39

Bob,

So what do you think? Vignetting or no?

Jon

**Bart Langenaken** · 19-May-2002, 16:33

I have a Schneider 47/5.6 XL with centerfilter. Recently I bought B&W filter 86mm in Slimversion MRC-coating. I have no vignettering on my sheets when I use both filters together. So I presume you can also use this filter on your 58 XL with centerfilter.