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Re: [ATM] barlow focal length



--- Nils Olof Carlin <nilsolof.carlin@telia.com>
wrote:
> Focal length varies - "shorty" Barlows have shorter
> f.l. If you have a
> Barlow lens and want to find out its f.l, this
> webpage may help:
> http://web.telia.com/~u41105032/barlow/Barlext.htm
> 
> Nils Olof

i dont have a barlow lens.due to non-availability of
short focal length eyepieces. i have asked an optician
to make one for me.so thats why i need exact focal
length.


Saqib


		
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