Using manual focus lenses for birds in flight sure is hard.

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You got one of them cheap 500mm prime lenses without AF? Or does tIhe lens take too much light? I was considering one of those 500mm but am really glad I have AF on my 100-400mm lol

Oh and, nice shot! Especially without AF.

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I got the cheapest 500mm lens I could find second hand. :smiley:

It’s a Danubia 500mm F8 but it’s also sold under many other brands.
Here’s a link to it’s PentaxForum review page: Pre-set (Quantaray, Kimunor, Five Star, etc.) 500mm F8 Lens Reviews - Miscellaneous Lenses - Pentax Lens Review Database