Archived posting to the Leica Users Group, 2019/05/16
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Is this Topaz AI Sharpen?? I've been using it and I'm not seeing the artifacts in the red channel. Ken On 5/16/2019 10:18 AM, Paul Roark via LUG wrote: > Although I think the price is a bit over the top, I decided to buy one of > these 50mm lenses. The first effort, via Amazon, was defective and > returned. (It was optically de-centered; one side of the image was soft.) > The second effort, via Adorama, is simply the optically best lens I've ever > owned or tested. The published MTF curves appear to be accurate. The only > performance weakness I have noticed is that the bokeh is less than totally > smooth. There seems to be a bit of a "double image" look to it. Because I > tend to want everything sharp, this is not much of a concern to me. > > As a landscape shooter, this 50 along with the WATE, used on a Sony a7rii, > will be my 2-lens mobile, hiking kit. > > To fill the gap and to extend the reach, part of the formula is the use of > Topaz's AI Gigapixel. If you have not experimented with this software, I'd > urge you to take a look at it. (I don't recommend Topaz's "Sharpening" > software. It leaves unacceptable artifacts in blue skies in the red > channel that make using that channel for black and white unacceptable.) > While there is no total substitute for a good prime at the focal length you > need, this Topaz software is a reasonable alternative for modest > enlargement. > > Paul > www.PaulRoark.com > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information