Category: Knowledge

What is a Camera Obscura?

Hey guys, Today I’d like to take you on a little journey back in time and tell you something about the camera obscura. A camera obscura simply is a dark room with a hole in the wall that is penetrated by light. It’s often used as a metaphor for human perception or the production of ...

What happens when you revers an element in a photo lens?

The Iranian photographer Alireza Rostami also wanted to find an answer to this question, which is why he disassembled an old Zenit Zenitar-M 2S 50mm F/2 and reversed the third element whenn putting it back together. The shortest description for the resulting effect is „soap bubble bokeh“ – a type of bokeh, whose circles look ...

The atmosphere of the golden hour

Anyone who has anything to do with photography cannot avoid the notion of the golden and the blue hour. The golden hour describes the period shortly after sunrise or shortly before sunset, in which the sunlight takes on an orange to reddish colour and is already very low. Long shadows appear and everything seems dreamy, ...

Sharpness comparison: Sigma 100-400mm vs 135mm F1.8 Art

Depending on how scrupulously one goes about things, a sharpness comparison of two lenses can end up being quite a hassle. One could compare the sharpness at multiple distances. One could, even when comparing a prime lens to a zoom, not only shoot at the same aperture but shoot photos with the prime at those ...

Review MC-11 Converter

Hey guys, As some of you may probably know, I belong or belonged to the Canon group. My permanent companion: my faithful Canon 5D Mark III. However, as I told you in my last article, I’ve extended my camera family a bit. Among my newest treasures is a Sony Alpha 7II R. I just wanted ...

Summer, sun and underwater photos

On vacation almost everyone is consistently looking out for the perfect picture. Everybody wants to capture the new and the unknown and thus keep it for eternity. Mountains, forests, beaches and cities provide the perfect scenery for this. Often underestimated but no less beautiful is the extraordinary and colorful underwater world. We have summarized a ...

Which have better bokeh, zooms or primes?

Right from the start it should be clear that there is no general answer to this question. As is often the case, circumstances are critically important. Which specific lenses are being compared? Are you comparing widest aperture vs widest aperture or are you stopping down the prime lens? Are you looking at bokeh circles or ...

KODAK

Hey guys, Today it’s time again to immerse in the history of photography a bit! At the beginning of the development of a new medium it was of course very expensive, complicated and only accessible to very few. This changed abruptly with a very special company. Even for all those of you who’ve never taken ...

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 ...