[rollei_list] Re: Rolleiflex TLR viewfinder magnifying lenses
- From: CarlosMFreaza <cmfreaza@xxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Tue, 6 Oct 2009 08:01:19 -0300
Hi John:
Rollei TLR standard or "0" waist level viewfinder
magnifiers are not marked in general, however the eyesight correction
magnifiers are marked on the ring +1,+2,+3 or -1, -2, -3 diopters.
These correction magnifiers are not easy to find, the only on line
site I have seen them is Collectcamera.com, the collectors website in
Holland, I have seen some of them in eBay a few times.
If your correction magnifiers lost the diopters mark, you could have a
talk with your oculist, they have eye charts and other means to
measure diopters (if you are sure the problem is a no standard
magnifier).
Carlos
2009/10/6 John Wild <jwild@xxxxxxxxxxxxxxxxxxxxxx>:
> Having a collection of secondhand TLRs, I have found that with some I can
> focus on the screen using the magnifier but others are all blurred.
> Obviously previous owners have changed the magnifier dioptre lens to suit
> their own eyesight. Unfortunately, there do not seem to be any markings on
> the lenses. Is there a way of testing to see what dioptre strength they are?
>
> Another question: is there a 'pool' of these lenses that one can make
> exchanges?
>
> Yours blurredly,
>
> John
>
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