vignetting on wide angle lens

[thomaswchapman@btint]

Hi, I just got an rd1s and i love its simplicity. It is working great on my 35mm summicron and 50mm sumilux. But on my wide angle tri-elmar it is exhibiting signs of vignetting in the lower left and right hand corners (lens works fine on film)
Does anyone know how to remove this in processing?
Is this an inherent problem with the rd1s?

See attachment

Thanks in advance,

Tom

 

[LCT]

...Does anyone know how to remove this in processing?...

With the Tri-Elmar i don't know but the cheaper way do adjust vignetting in general is to use the free Epson raw plug-in or stand alone converter.
Gives often good results, mainly in B&W, but makes too much digital noise in the corners with difficult lenses IMO.
With the latters (CV 21/4 for inst., pic below) i use Capture One IV to develop my raw files and Silkypix for vignetting correction.
Silkypix may be used alone as well but the overall results are a bit softer.

 

[yanidel]

I find lightroom to be better than Epson Raw to remove vignetting. Epson raw will introduce too much noise. Most of the times, I leave the file as his as I like the vignetting look it gives to pictures

 

[sevres_babylone]

The best discussion of the vignetting issue with wide-angle lenses is Sean Reid's review on Luminous Landscape:
http://luminous-landscape.com/reviews/lenses/rd-1-lens.shtml

I use the Heliar 15mm on my R-D1, and have used the Epson software on the RAW file to remove or lessen the vignetting.

 

[thomaswchapman@btint]

Thanks for your advice, I have found the vignetting controls on the Epsom software, don't know how i missed it! I also see how it produces some "noise".

Thanks for your quick replies.

Any extra advice is most welcome

Tom

 

[charjohncarter]

There are tutorials for removing vignetting available.

OR-here is the white paper method which is customized for your camera and lens.

http://www.imagemagick.org/Usage/photos/#vignettation

OR-this tutorial you have to invert (negative) your image and select the area which you want to de-vignette.

http://www.davrodigital.co.uk/vignette.htm