Posing for the new camera

I was wondering if anyone can hekp me identify the origin of these light leaks. They appear all throughout the entire roll. The bellows are fine, I tested them in pitch dark with a torchlight. I use a Rollex-Patent roll film holder. Any advice is appreciated.

ช่างภาพ:
kedvenckep
อัพโหลดแล้ว:
2019-05-29
กล้อง:
Voigtlander Bergheil 1927
ฟิล์ม:
Fomapan 100
Lens:
Heliar
ประเทศ/จังหวัด:
Hungary
More photos by kedvenckep