Sigfrid
Lundberg's
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NB

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, but most of the it is related to my profession as an Internet programmer and software developer within the area of digital libraries at the Royal Library, Copenhagen (Denmark) and, before that, Lund university (Sweden).

The content here does not reflect the views of my past or present employers

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Sigfrid Lundberg's Stuff is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.

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With a full frame sensor my lenses become wider

Sigfrid Lundberg's Stuff, 2013-09-09

I've written some portraits of the lenses I've been using most. One of them is the Super wide Heliar 15mm f/4.5. As a matter of fact I don't use it as much as before. Mainly because it has become much more wide angle than it used to be. On a full frame sensor it becomes super wide. Never before I've been able to capture the whole cathedral, and more.

Some of its deficiencies become more obvious, as well. Not that they are that important when stopping down a few steps, and some people are applying special post-processing tools to get that the vignetting in the corner.

Anyway, that lens which used to be mounted continuously three years ago is now living a calm life on a shelf.


Categories: Images, Lenses, Photography
Permalink: http://sigfrid-lundberg.se/entries/2013/06/evenwider/


Other, not yet obsolete stuff

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
2012-11-18 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
2012-11-18 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
2012-05-14 On colour
When a subject contains vidid colours, I invariably transform the photo to black and white. If there are few I usually preserve colour. Unless there is special conditions that make me feel that colour is important. For instance, when the image contain vivid colours.
Flickr, Photography, Images
2012-05-08 Creative Commons and Dutch Elm Disease
A story about some dead trees, a walk with friends in Skåne and a natural reserve outside Bristol, UK.
Flickr, Creative Commons, Photography
2012-02-02 Sigfrid intervjuad av Kristina
Kristina Alexandersson är en aktiv person i allt som handlar om Internet, lärande och öppet innehåll. I dag publicerade hon en intervju med mig på CreativeCommons svenska sajt.
Photography, Open Content