Quote:
Originally Posted by TareqPhoto
Hi again,
2. APO quadruplet so it already has a flattener, but 70mm or 60mm ones so it is already wide [300-400mm range]
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Canon 100-400mm f/4.5-5.6L II is an excellent option. It is actually 70mm aperture f/5.6.
Not cheap (A$2600), but an excellent lens for both astro and terrestial photography.
https://www.shopbot.com.au/m?q=canon+100-400L