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Re: [ATM] barlow lens
----- Original Message -----
From: "Saqib Sajjad" :
> hello everyone,
>
>
> due to non-availability of barlow lens in local
> markets i have no choice but to custom make a barlow
> lens. i have
> talked with a vendor and he is willing to make me one
> if i provide him with schematics. so can anyone help
> me
> in providing any info on its structure/power/shape
> etc.
> any help/article in this regard would be apperciated.
A good Barlow lens can be made out of a "teleconverter" lens for cameras -
it might be easier to find a second-hand teleconverter in a camera shop. If
so, the maths needed can be found at
http://web.telia.com/~u41105032/barlow/Barlext.htm
best of luck!
Nils Olof
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