Re: I had the itch and bought 3 lenses

[Thibouille]

> Back in the screwmount days these two were said to be the exact same
> lens, with f/2 version only baffled a bit to the f/2 aperture over the
> f/1.8 to be "cheaper".
> 

Yes AFAIK this is true.
 
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Thibouille