Did some test photos of sky with EOS350D digital camera.
All using 75-300 f/4-5.6 telephoto on objects near equator.
Max time for no trailing...
8" 75mm f/5 iso 400
4" 300mm f/5.6 iso 800
Obvious trailing...
8" 300mm f/5.6 iso 1600
My latest blog post: Suicidal Empathy: We need empathy, but not suicidal empathy. (posted 2025-10-08). Warning: mysqli_connect(): MySQL server has gone away in /Library/WebServer/Documents/Owen2/Inc/Footer.m.inc.php on line 51
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