Category: Knowledge

Cleaning a camera. That’s how it’s done!

Our camera and lenses are sacred to us, there’s no doubt about that. Nevertheless, they are products used on a daily basis and therefore often exposed to the environment and its impacts. In order to preserve our babies as best as possible and make sure that they will function for a long time we have ...

Sigma Photo Pro: an analysis of high speed settings

Speed is a constantly recurring topic when it comes to Sigma Photo Pro. By their very nature the photo files of Sigma cameras are large and algorithms used for their processing complex. Therefore it is hardly a surprise that one needs a lot of memory and a fast processor if one doesn’t want to spend ...

Do’s and don’ts in architectural photography

Photographers who deal with the subject of architectural photography, have to pay attention to some essential things in their pictures. In general, every building, no matter how old, can be used as a motif. Ultimately, this depends on the desired image statement. We have summarized the most important do's and don'ts on architecture photography here. ...

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 ...