At wat distance from the primary mirror should i put the diagonal in a newtonian telescope.?
Tell me in terms of focal lenght. I am tryin to make a truss tube dobsonian design.
The mirror dia will be 6", this is my 2nd scope after a 5" closed tube EQ.
Can u plss give me the formula or sumthing. I dont yet kno da focal length
School Project, U answerd a question abt the movie black, which means ur an indian, where can u get good astro info theese days in India. I need help with myscope n stuff. Are u from S P A C E? or r u Nilesh Vayada from galelio
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July 15th, 2010 at 10:03 pm
As the focal length was not mentioned it’s impossible to measure the distance between primary mirror and diagonal. I calculated that it should be more than a meter if the f ratio is high enough.
I don’t need be an Indian to see Indian movies. DVDs are released worldwide. However, I am neither from S.P.A.C.E nor from Galileo. I run an astronomy organization myself. I’m associated with many other international organizations.