Sigfrid Lundberg's Stuff

2013-09-09: With a full frame sensor my lenses become wider
This is an addendum to my earlier review of the 15mm Super-Wide Heliar lens
Images, Lenses, Photography, 2013

2012-11-18: Biogon T* 2,8/25 ZM: Portrait of a lens
This is one of the very sharpest lenses made by mankind.
Images, Lenses, Photography, 2012

2012-11-18: Zeiss ZM 50mm f1.5 C-Sonnar: Portrait of a lens
The 50mm Sonnar f1.5 is a transplant from the Contax rangefinder world. A real classic there. Also, it is indeed a personality with a focus shift.
Images, Lenses, Photography, 2012

2012-11-18: Voigtländer 15mm f/4.5 Super Wide Heliar: A portrait of a lens
Super-wide Heliar was the first M Mount lens I bought. I have used it extensively, in particular on my Olympus E-P2. But I still use it over and over again.
Images, Lenses, Photography, 2012

2011-05-03: A Leica lens from Minolta?
The M Rokkor lenses were produced by Minolta for their excellent rangefinder camera Minolta CLE. I aquired one of them, the 40mm f2.0, for use with my Olympus E-P2.
Images, Lenses, Photography, Hardware, 2011

2010-10-29: Portrait of a lens: NIKKOR-O Auto 1:2 f=35mm
Portrait of a lens I've kept since I was a teenager.
Images, Hardware, Lenses, Photography, 2010


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My name is Sigfrid Lundberg. The stuff I publish here may, or may not, be of interest for anyone else.

On this site there is material on photography, music, literature and other stuff I enjoy in life. However, most of it is related to my profession as an Internet programmer and software developer within the area of digital libraries. I have been that at the Royal Danish Library, Copenhagen (Denmark) and, before that, Lund university library (Sweden).

The content here does not reflect the views of my employers. They are now all past employers, since I retired 1 May 2023.