Category: Knowledge

The beginnings of digital photography – Part 2

In the last post of our blog series (https://fotogenerell.com/2018/04/27/die-anfaenge-der-digitalen-fotografie/ ) we were focusing on the beginnings of digital photography. We particularly highlighted the CCD sensor, which was the basis for the development of digital photography, as well as pioneer digital cameras. This article focuses on the history of digital photography from the mid-1990s until today ...

Lightroom tips and tricks

Hey guys, If you enjoy taking pictures a lot and work with your camera intensively, there’ll be no way around image editing sooner or later. Maybe, as you play around with colors, brightness and contrasts, you will discover one more passion – at least that’s what happened to me. 😉 While editing you get the ...

Researcher develop self-powered micro-sensor

Researcher at the University of Michigan, Euisik Yoon and Sung-Yun Park, have developed a tiny image sensor, which doesn’t need an external source of power. Measuring less than a millimeter, this micro-sensor can be used just about anywhere. After all it literally only needs light in order to take photos. Image source: University of Michigan ...

The truth behind the picture

We all know that picture. Revolutionary Che Guevara in a thinking pose with a military beret on his head. There’s no doubt that this is the most popular photo of him and one of the best known images of all times. But what and who really is the person behind that picture? The photo, which ...

Quattro and the blue channel trick revisited

There is hardly a photographer who shoots with a Sigma camera who doesn’t know about the blue channel trick. Those, who have never heard about it, should read this blog post of mine. The tl;dr version is this: it’s a workflow trick for black and white conversion, with which you can improve the noise performance ...

Visual storytelling: When photographs tell stories

Most of the time, photographs are more than just a capture of a fleeting moment. Sometimes motifs seem nothing but randomly chosen and like snapshots. But many photographs underlie a certain concept which is made to display and convey a story. There is a reason for the well-known saying that “a picture is worth a ...

Sigma 135mm F1.8 Art Review

Sigma 135mm F1.8 Art is the longest and probably sharpest Art lens that I’ve tested so far. Prior to shooting with it I thought that 50mm F1.4 Art was the sharpest lens for Sigma cameras, but the 135mm is as good if not even better. Build quality and handling Like all Art, Sports and Contemporary ...

Have you heard of “Dollar Street“ yet?

Dollar Street is a project started by Anna Rosling Rönnlund. For many years Rosling Rönnlund’s job was mainly to make global trends, developments and data more understandable to the public with the help of colorful charts, diagrams and graphs. Eventually, however, this job frustrated her because all she could read from the numbers and curves ...

Sigma Photo Pro: what does the detail slider do?

I remember when after a long break from photography I bought my Sigma sd Quattro and installed SPP and that after starting the application the first thing that caught my eye was the new “detail” slider. In the spring of 2016, when I was still shooting with my SD1 Merrill and using a at the ...

In the own four walls

Hello guys, Did you ever ask yourself how you can take lovely photos or portraits at home? In this article you will find out how to find a good spot, what it takes for a good picture and which tools can be used. Taking pictures at home is full of advantages: You are undisturbed, it ...