Post by decicco on Mar 23, 2013 16:40:01 GMT -5
Hi Guys,
Yes, finally I decide to acquire 150mm F/10, Achromat doublet.
My first goal: Tube.
I am following Remmer´s receipt, by his book, little confuse actually, so
does anyone know how to dimension the tube for correct focal lenght ( BFL, EFL, Focuser focal adjustment, etc)?
Yes, finally I decide to acquire 150mm F/10, Achromat doublet.
My first goal: Tube.
I am following Remmer´s receipt, by his book, little confuse actually, so
does anyone know how to dimension the tube for correct focal lenght ( BFL, EFL, Focuser focal adjustment, etc)?