graywolf wrote:
> Just a bit of historical interest. Back in the 1960's the thing to do
> was have an Exacta rotating eyecup adapted to your camera. Not only did
> it have a place for a diopter, but the diopter rotated with the eyecup
> so you could have your optician make one with astigmatism correction for
> you. It was more useful for the farsighted folks, however.
> 
> graywolf
> http://www.graywolfphoto.com
> "Idiot Proof" <==> "Expert Proof"
> -----------------------------------
> 
>>
>> With my MX I am using an eyepiece that has an option to put a lens in
>> it. Here is it:
>>
>> http://static.flickr.com/27/64386373_2497575731_o.jpg
>>
>> I do not know if it was designed for pentax viewfinder but it fits
>> nicely and helps me a lot in focusing.
>>
>> luben
>>


Interesting, this one is not rotating, only the rubber is rotating, so I
think is not so useful for astigmatism. Yes, it was my optition that for
$5 made the dioper correction lens I am using now. Did the Exakta eyecup
fitted pentax viewfinder? Because it is relatively easy here to find
Exakta stuff...

luben
-- 
"Computers are useless. They can only give answers." - Pablo Picasso

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