Recent content by UwBouwMeester

This is the layout of the heart shaped shutter blades. Not quite centered, but mostly close. The darkest spot is the smallest aperture. Being fully mechanical is the beauty of this half-automatic shutter system. The electric bit is only for the match-needle indication for the aperture/exposure...

Wide open is fine ofcourse.

I figured it out. It's a very smart shutter/aperture system, just not photographically optimal. The shutter blades form the aperture. The speed of the blades is always the same for all stepless exposure time/aperture combinations. The exposure time for a small aperture is shorter, because it...

reviving an old thread on an even older camera: Yashica half 17 Rapid. Alexo has been kind enough to document his work on this camera. I am fortunate that mine has a happily clicking shutter. What puzzles me, is the shape of the aperture. It's created by the two shutter blades, but shouldn't it...