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Being Fothloose

Some time ago I connected these three items with each other. (Here.) A Foth Anastigmat lens was permanently stuck to the M42 mount ring, then screwed on to the Chinonflex TTL SLR. Now I've exposed and developed one roll and learnt some things about taking pictures with the lens.
Lesson 1: The lens is very sensitive to flare. The front glass is very exposed to light from the sides. Note to self: Get a lens hood.
Lesson 2: For some reason the aperture markings on the lens are not correct. All my pictures were under exposed. I used an external light meter. The next time I will use the TTL:s internal light meter and corroborate with the reading I get from the external one.
  The difference in aperture could be due to the age and fogging(?) of the glass. It could also be because the lens was designed for another camera altogether - and a 127-film bellows camera at that. When push comes to shove the external light meter can be at fault, though I doubt it. Note to self: Corroborate light meters. Over expose by two stops?
Lesson 3: The lens sits a tiny bit too closely fitted to the Chinonflex. That makes it come into contact with the mirror as it moves up and down. It actually stuck two times when using 1/15th of a second shutter speed. I am a bit worried to crack the mirror so will try it on my other M42 cameras. Note to self: A broken mirror means 7 years of misery.
Lesson 4: At first it was really difficult to see to focus. Now I have come to terms with that it takes a bit longer than with other lenses. And it's easier to find focus out of broad daylight.

Note to self: Keep having fun!

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