Quote:
Originally Posted by lineout
What do you mainly use the 13mm for?
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Just about everything- open & globular clusters, nebulae, galaxies and even planets such as Jupiter and Saturn. It is a good all-rounder. On my 12inch Meade, it gives me a magnification of around 115 and a true field of view of about 0.87 degrees. I have an 8mm for closer views of the planets and binaries separated by less than 4" but it gets far less use. I would like the 21mm to expand the FOV for larger clusters and nebulae and also grab a few more galaxies in the same field e.g. Leo Triplet.
Regards, Rob.