Slightly prefer the Tamron on the 75mm f/5.6 and f/8. Pentax on all
others.
Quite an exposure difference.

Jack

--- Jens Bladt <[EMAIL PROTECTED]> wrote:

> Just for the fun of it, it made a small test.
> SMC Pentax M 4/75-150mm versus
> BBAR Tamron Adaptall 3.5/70-150mm.
> 
> I'm happy to be able to say, that the Pentax lens is a pretty clear
> winner:
> 
> http://www.jensbladt.dk/Test/newfile.html
> 
> The test shots are crops, showing the only centre of the frame.
> The shots show a Danish 50kr note (apr. 8 USD) at a distance of  apr.
> 3
> meter (flash).
> 
> The 75mm shots are enlarged more than the 150mm shots.
> 
> BTW: The lady on the note is the Danish writer Karen Blixen, the
> author of
> the well known novel; My African Farm, on which the movie, featuring
> Maryl
> Streep and Robert Redford, was based.
> Regards
> Jens
> 
> 
> 
> 


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