Orginal Format 1:1,33 (4:3)
Film Format cut out = 1:1,66

 

Orginal Format 1:1,33 (4:3)
Film Format = 1:1,66 with curtain

 

Orginal Format 1:1,77 (16:9)
Film Format cut out = 1:1,85

 

Orginal Format 1:1,77 (16:9)
Film Format = 1:1,85 with curtain

 

Orginal Format 1:1,77 (16:9)
Film Format cut out = 1:1,66

Images: Felix von Muralt