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Re: surplusshack


  • From: Steve Berezin <sbere@xxxxxxxxxxxxx>
  • Subject: Re: surplusshack
  • Date: Mon, 13 Dec 1999 14:13:26 -0800



Greg Erker wrote:
> 
> >>   Sounds nice. Are the lenses really
> >> achromats?
> >
> >They seem to be.  They do have more pincushion distortion than I would
> >normally associate with achromats however. It is possible that it is a
> >set of DCX lenses.
> 
>   Perhaps. How many reflections do you see
> in them?  On a coated (cemented) achromat you will
> see two coloured ones and a faint white one.
> If it is an air spaced achromat you should see
> four reflections.
> 

I saw at least 4 reflections from two directions, all in color.  I found
this confusing, took the viewer apart and found it was actually a
triplet.

> >  What is the diameter?
> >
> >About an inch.  These are used, however, and have a few dings and
> >scratches.
> 
>   I see. Not big enough to get me excited.
> 
> >You are correct, it is 4x and not 50mm FL.  They are not perfect but
> >still built very solidly.  I use them as a mounting aid.
> >
> 
>   Thanks for the review.
> 
> Greg

-- 
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Steve Berezin
Berezin Stereo Photography Products
21686 Abedul
Mission Viejo, CA 92691
USA