TTArtisan Square Lens Hood & Tianya XS Pro 1 UV filter – Review

I know there are pros and cons to hoods and filters.So, why do I use a lens hood and a filter on the TTArtisan 23mm f1.4 lens ?Well, the main reason is protection.I spend a lot of time in the woods, and on my bike, then I have my camera around my neck ready to

The TTArtisan 23mm f1.4 Zebra on Micro Four Thirds Review

This review is based on my own findings and experience, I chose, bought and paid for this lens myself.Nothing on Open Source Photography is sponsored. The angle of view : On the TTArtisan website they speak of the “Eye of Humanity”, that’s because on crop factor 1.5 systems like Fujifilm, this lens corresponds to a