The F Series Nikons (all but the F6) had their screens in thick frames like
that too. The screen itself was relatively thin but it had a thick lens atop
it to direct the light rays inward to prevent edge darkening. I don't know
what the actual focusing screen is made from on those cameras. I suspect
that the F4 and F5 were certainly plastic, the earlier ones could be glass.
--
Chris Crawford
Photography & Graphic Design
Fort Wayne, Indiana
http://www.chriscrawfordphoto.com My portfolio
http://blog.chriscrawfordphoto.com My latest work!
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On 8/15/08 9:49 PM, "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
> My Miranda GT (circa 1968) had an interchangeable, real glass screen
> that I would guess was 5-6mm thick and all enclosed in a brass frame.
> Now there was a screen!
>
> Chuck Norcutt
>
> Chris Crawford wrote:
>> I wanted to respond to something in that article. Almost all 35mm SLR
>> cameras have used plastic focusing screens since the 1970's. The Olympus OM
>> screens are all plastic, even the oldest ones.
>>
>>
>
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