Help with my M42 adapter and vintage lenses :(

Started Jan 5, 2013 | Discussions thread
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Help with my M42 adapter and vintage lenses :(
Jan 5, 2013

I have three M42 lenses and an adapter to go with my nex 5R and love the fact I can use them so easily, unfortunately though my favourite lens, Auto Mamiya Sekor 55mm f1.8 doesn't seam to fit the adapter very well which does not allow me to focus at any great distance at all with it. I'm aware theres a problem with the SX version of this lens, this is not the SX version.

heres some pictures to show what I mean

Heres the Helios 44m sits flush and focuses great

Heres my Super Takumar 135 also sitting flush and great focus aswell

now heres the Mamiya, theres a very clear gap between the lens and adapter its screwed in as far as I dare force it!(theres plenty of thread to screw into) but it won't go in far enough to achieve infinity focus

Here's some more shots sorry for the poor quality, used my phone

Thanks in advance for any help you can offer!

 Caledonia84's gear list:Caledonia84's gear list
Fujifilm FinePix S100fs NEX5R Sony E 18-55mm F3.5-5.6 OSS Sony E 16mm F2.8 Pancake Sony Xperia Z3 +21 more
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