The potential utility of variable neutral density filters intrigues me. I understand that they are popular in video applications and that may be a factor in the increased variety of these filters. I am primarily interested in static, landscape type applications and am thinking of possibilities like:
a) urban environment, architecture, travel: eliminating moving objects due to long exposure time
b) HDR or panorama stitching where movement such as clouds, water, grass causes strange artifacts or ghosting.
My questions:
What uses do you see in landscape photography?
What is the quality effect in a MFD high-resolution imaging chain? Are they good enough to stand up to 60 megapixels and beyond?
Is a fixed high-density filter better?
Is the new Heliopan filter (Schott glass, I presume) better coated than Fader, Genus, or Singh-Ray brands?
Are these filters even coated?
How bad is vignetting, how wide a lens can you use?
Thanks, - Christopher
a) urban environment, architecture, travel: eliminating moving objects due to long exposure time
b) HDR or panorama stitching where movement such as clouds, water, grass causes strange artifacts or ghosting.
My questions:
What uses do you see in landscape photography?
What is the quality effect in a MFD high-resolution imaging chain? Are they good enough to stand up to 60 megapixels and beyond?
Is a fixed high-density filter better?
Is the new Heliopan filter (Schott glass, I presume) better coated than Fader, Genus, or Singh-Ray brands?
Are these filters even coated?
How bad is vignetting, how wide a lens can you use?
Thanks, - Christopher
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