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Re: [OM] Telephoto lens tests

Subject: Re: [OM] Telephoto lens tests
From: bj@xxxxxxxxxxxxxxx
Date: Thu, 05 Jan 2017 11:37:17 +1300
 

Philippe wrote 

Ain't that bad where in focus Brian - I just had a
look at it in LR and checked 
you can actually get some crispness out
of, even the jpeg.

Now, when it comes to testing the lens and its
sharpness, I'd select a subject 
that offers more than yellow, orange
and red (always difficult the colour red 
is)
More, I presume you shot
wide open, and the resulting DoF is limited by the FL.
Else, the bokeh
is smooth and creamy, which tends to be rare these days on the

market

Amities
Philipp

....................
This is a mirror lens,
Philippe. It has but one aperture, f/8. That's the downside.
The upside
is that it is very compact for a 500mm lens.
Please see
http://esif.world-traveller.org/om-sif/lensgroup/500mmf8.htm

Cheers,
Brian

 
-- 
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