There was certainly an F50/1.7 ... I have a pristine box for one  
sitting on my stuff for sale pile. ;-)

Godfrey

On Mar 13, 2007, at 5:37 PM, Shel Belinkoff wrote:

> It has been said here quite a few times that the 50/1.7 is a better  
> macro
> lens, but I don't think there was a 1.7 past the M or A series.   
> That said,
> I could never tell the difference between the M50/1.4 and the  
> M50/1.7 when
> used with xtension tubes and when the lenses were used stopped down  
> to 5.8
> or smaller apertures.  I don't ever recall using either lens at  
> anything
> wider than 5.6 ....
>
> Shel
>
>> [Original Message]
>> From: William Robb
>> Frankly, if you want a 50mm macro,
>> get a 50/1.4 and a set of extension
>> tubes, it will probably serve you better
>> as general purpose equipemnt than a
>> slow 50mm macro lens.
>
>
>
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