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hehehe. Yeah a bit before your time huh!
A 30mm SuperView will give you a wide field of view to scan larger parts of the sky and enjoy large open clusters and dense star fields or spot galaxies, globulars, nebulas etc.
Then you can Barlow it or change to a smaller EP eg: 9mm, and look at the object with more magnification.
BUT 30mm SuperView is not much good for studying Planets. For them you would start around 15mm and gradually work your way through to something like a 6mm for extreme close-ups.
That's a very basic explanation of the difference in sizes.
Last edited by ballaratdragons; 18-05-2005 at 11:08 PM.
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